About the Number

1272894720

1272894719 ← → 1272894721

2進数表記:1001011110111101101010100000000

漢数字表記:十二億七千二百八十九万四千七百二十

素因数分解:

2 8 × 3 1 × 5 1 × 17 2 × 31 1 × 37 1

素因数の和:126
約数の個数: 432
約数和(自身を含む): 4578298368
約数和(自身を除く): 3305403648

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 37, 40, 48, 51, 60, 62, 64, 68, 74, 80, 85, 93, 96, 102, 111, 120, 124, 128, 136, 148, 155, 160, 170, 185, 186, 192, 204, 222, 240, 248, 255, 256, 272, 289, 296, 310, 320, 340, 370, 372, 384, 408, 444, 465, 480, 496, 510, 527, 544, 555, 578, 592, 620, 629, 640, 680, 740, 744, 768, 816, 867, 888, 930, 960, 992, 1020, 1054, 1088, 1110, 1147, 1156, 1184, 1240, 1258, 1280, 1360, 1445, 1480, 1488, 1581, 1632, 1734, 1776, 1860, 1887, 1920, 1984, 2040, 2108, 2176, 2220, 2294, 2312, 2368, 2480, 2516, 2635, 2720, 2890, 2960, 2976, 3145, 3162, 3264, 3441, 3468, 3552, 3720, 3774, 3840, 3968, 4080, 4216, 4335, 4352, 4440, 4588, 4624, 4736, 4960, 5032, 5270, 5440, 5735, 5780, 5920, 5952, 6290, 6324, 6528, 6882, 6936, 7104, 7440, 7548, 7905, 7936, 8160, 8432, 8670, 8880, 8959, 9176, 9248, 9435, 9472, 9920, 10064, 10540, 10693, 10880, 11470, 11560, 11840, 11904, 12580, 12648, 13056, 13764, 13872, 14208, 14880, 15096, 15810, 16320, 16864, 17205, 17340, 17760, 17918, 18352, 18496, 18870, 19499, 19840, 20128, 21080, 21386, 21760, 22940, 23120, 23680, 23808, 25160, 25296, 26877, 27528, 27744, 28416, 29760, 30192, 31620, 32079, 32640, 33728, 34410, 34680, 35520, 35836, 36704, 36992, 37740, 38998, 39680, 40256, 42160, 42772, 44795, 45880, 46240, 47360, 50320, 50592, 53465, 53754, 55056, 55488, 58497, 59520, 60384, 63240, 64158, 65280, 67456, 68820, 69360, 71040, 71672, 73408, 73984, 75480, 77996, 80512, 84320, 85544, 89590, 91760, 92480, 97495, 100640, 101184, 106930, 107508, 110112, 110976, 116994, 119040, 120768, 126480, 128316, 134385, 134912, 137640, 138720, 142080, 143344, 146816, 150960, 155992, 160395, 161024, 168640, 171088, 179180, 183520, 184960, 194990, 201280, 202368, 213860, 215016, 220224, 221952, 233988, 241536, 252960, 256632, 268770, 275280, 277440, 286688, 292485, 293632, 301920, 311984, 320790, 331483, 337280, 342176, 358360, 367040, 369920, 389980, 402560, 404736, 427720, 430032, 440448, 467976, 483072, 505920, 513264, 537540, 550560, 554880, 573376, 584970, 603840, 623968, 641580, 662966, 674560, 684352, 716720, 734080, 779960, 805120, 855440, 860064, 880896, 935952, 994449, 1011840, 1026528, 1075080, 1101120, 1109760, 1146752, 1169940, 1207680, 1247936, 1283160, 1325932, 1368704, 1433440, 1468160, 1559920, 1657415, 1710880, 1720128, 1871904, 1988898, 2023680, 2053056, 2150160, 2202240, 2293504, 2339880, 2415360, 2495872, 2566320, 2651864, 2737408, 2866880, 3119840, 3314830, 3421760, 3440256, 3743808, 3977796, 4106112, 4300320, 4404480, 4679760, 4972245, 4991744, 5132640, 5303728, 5733760, 6239680, 6629660, 6843520, 6880512, 7487616, 7955592, 8212224, 8600640, 9359520, 9944490, 10265280, 10607456, 11467520, 12479360, 13259320, 13687040, 14975232, 15911184, 17201280, 18719040, 19888980, 20530560, 21214912, 24958720, 26518640, 31822368, 34402560, 37438080, 39777960, 41061120, 42429824, 53037280, 63644736, 74876160, 79555920, 84859648, 106074560, 127289472, 159111840, 212149120, 254578944, 318223680, 424298240, 636447360, 1272894720]

約数ペア:
[(1, 1272894720), (2, 636447360), (3, 424298240), (4, 318223680), (5, 254578944), (6, 212149120), (8, 159111840), (10, 127289472), (12, 106074560), (15, 84859648), (16, 79555920), (17, 74876160), (20, 63644736), (24, 53037280), (30, 42429824), (31, 41061120), (32, 39777960), (34, 37438080), (37, 34402560), (40, 31822368), (48, 26518640), (51, 24958720), (60, 21214912), (62, 20530560), (64, 19888980), (68, 18719040), (74, 17201280), (80, 15911184), (85, 14975232), (93, 13687040), (96, 13259320), (102, 12479360), (111, 11467520), (120, 10607456), (124, 10265280), (128, 9944490), (136, 9359520), (148, 8600640), (155, 8212224), (160, 7955592), (170, 7487616), (185, 6880512), (186, 6843520), (192, 6629660), (204, 6239680), (222, 5733760), (240, 5303728), (248, 5132640), (255, 4991744), (256, 4972245), (272, 4679760), (289, 4404480), (296, 4300320), (310, 4106112), (320, 3977796), (340, 3743808), (370, 3440256), (372, 3421760), (384, 3314830), (408, 3119840), (444, 2866880), (465, 2737408), (480, 2651864), (496, 2566320), (510, 2495872), (527, 2415360), (544, 2339880), (555, 2293504), (578, 2202240), (592, 2150160), (620, 2053056), (629, 2023680), (640, 1988898), (680, 1871904), (740, 1720128), (744, 1710880), (768, 1657415), (816, 1559920), (867, 1468160), (888, 1433440), (930, 1368704), (960, 1325932), (992, 1283160), (1020, 1247936), (1054, 1207680), (1088, 1169940), (1110, 1146752), (1147, 1109760), (1156, 1101120), (1184, 1075080), (1240, 1026528), (1258, 1011840), (1280, 994449), (1360, 935952), (1445, 880896), (1480, 860064), (1488, 855440), (1581, 805120), (1632, 779960), (1734, 734080), (1776, 716720), (1860, 684352), (1887, 674560), (1920, 662966), (1984, 641580), (2040, 623968), (2108, 603840), (2176, 584970), (2220, 573376), (2294, 554880), (2312, 550560), (2368, 537540), (2480, 513264), (2516, 505920), (2635, 483072), (2720, 467976), (2890, 440448), (2960, 430032), (2976, 427720), (3145, 404736), (3162, 402560), (3264, 389980), (3441, 369920), (3468, 367040), (3552, 358360), (3720, 342176), (3774, 337280), (3840, 331483), (3968, 320790), (4080, 311984), (4216, 301920), (4335, 293632), (4352, 292485), (4440, 286688), (4588, 277440), (4624, 275280), (4736, 268770), (4960, 256632), (5032, 252960), (5270, 241536), (5440, 233988), (5735, 221952), (5780, 220224), (5920, 215016), (5952, 213860), (6290, 202368), (6324, 201280), (6528, 194990), (6882, 184960), (6936, 183520), (7104, 179180), (7440, 171088), (7548, 168640), (7905, 161024), (7936, 160395), (8160, 155992), (8432, 150960), (8670, 146816), (8880, 143344), (8959, 142080), (9176, 138720), (9248, 137640), (9435, 134912), (9472, 134385), (9920, 128316), (10064, 126480), (10540, 120768), (10693, 119040), (10880, 116994), (11470, 110976), (11560, 110112), (11840, 107508), (11904, 106930), (12580, 101184), (12648, 100640), (13056, 97495), (13764, 92480), (13872, 91760), (14208, 89590), (14880, 85544), (15096, 84320), (15810, 80512), (16320, 77996), (16864, 75480), (17205, 73984), (17340, 73408), (17760, 71672), (17918, 71040), (18352, 69360), (18496, 68820), (18870, 67456), (19499, 65280), (19840, 64158), (20128, 63240), (21080, 60384), (21386, 59520), (21760, 58497), (22940, 55488), (23120, 55056), (23680, 53754), (23808, 53465), (25160, 50592), (25296, 50320), (26877, 47360), (27528, 46240), (27744, 45880), (28416, 44795), (29760, 42772), (30192, 42160), (31620, 40256), (32079, 39680), (32640, 38998), (33728, 37740), (34410, 36992), (34680, 36704), (35520, 35836)]

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