1239699840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 256

約数和(自身を含む): 4406400000

約数和(自身を除く): 3166700160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 272, 285, 304, 320, 323, 340, 380, 384, 408, 456, 480, 510, 544, 570, 608, 640, 646, 680, 760, 816, 912, 960, 969, 1020, 1088, 1140, 1216, 1292, 1360, 1520, 1615, 1632, 1824, 1920, 1938, 1999, 2040, 2176, 2280, 2432, 2584, 2720, 3040, 3230, 3264, 3648, 3876, 3998, 4080, 4560, 4845, 5168, 5440, 5997, 6080, 6460, 6528, 7296, 7752, 7996, 8160, 9120, 9690, 9995, 10336, 10880, 11994, 12160, 12920, 15504, 15992, 16320, 18240, 19380, 19990, 20672, 23988, 25840, 29985, 31008, 31984, 32640, 33983, 36480, 37981, 38760, 39980, 41344, 47976, 51680, 59970, 62016, 63968, 67966, 75962, 77520, 79960, 95952, 101949, 103360, 113943, 119940, 124032, 127936, 135932, 151924, 155040, 159920, 169915, 189905, 191904, 203898, 206720, 227886, 239880, 255872, 271864, 303848, 310080, 319840, 339830, 379810, 383808, 407796, 455772, 479760, 509745, 543728, 569715, 607696, 620160, 639680, 645677, 679660, 759620, 767616, 815592, 911544, 959520, 1019490, 1087456, 1139430, 1215392, 1279360, 1291354, 1359320, 1519240, 1631184, 1823088, 1919040, 1937031, 2038980, 2174912, 2278860, 2430784, 2582708, 2718640, 3038480, 3228385, 3262368, 3646176, 3838080, 3874062, 4077960, 4349824, 4557720, 4861568, 5165416, 5437280, 6076960, 6456770, 6524736, 7292352, 7748124, 8155920, 9115440, 9685155, 10330832, 10874560, 12153920, 12913540, 13049472, 14584704, 15496248, 16311840, 18230880, 19370310, 20661664, 21749120, 24307840, 25827080, 30992496, 32623680, 36461760, 38740620, 41323328, 51654160, 61984992, 65247360, 72923520, 77481240, 82646656, 103308320, 123969984, 154962480, 206616640, 247939968, 309924960, 413233280, 619849920, 1239699840]

約数ペア:

[(1, 1239699840), (2, 619849920), (3, 413233280), (4, 309924960), (5, 247939968), (6, 206616640), (8, 154962480), (10, 123969984), (12, 103308320), (15, 82646656), (16, 77481240), (17, 72923520), (19, 65247360), (20, 61984992), (24, 51654160), (30, 41323328), (32, 38740620), (34, 36461760), (38, 32623680), (40, 30992496), (48, 25827080), (51, 24307840), (57, 21749120), (60, 20661664), (64, 19370310), (68, 18230880), (76, 16311840), (80, 15496248), (85, 14584704), (95, 13049472), (96, 12913540), (102, 12153920), (114, 10874560), (120, 10330832), (128, 9685155), (136, 9115440), (152, 8155920), (160, 7748124), (170, 7292352), (190, 6524736), (192, 6456770), (204, 6076960), (228, 5437280), (240, 5165416), (255, 4861568), (272, 4557720), (285, 4349824), (304, 4077960), (320, 3874062), (323, 3838080), (340, 3646176), (380, 3262368), (384, 3228385), (408, 3038480), (456, 2718640), (480, 2582708), (510, 2430784), (544, 2278860), (570, 2174912), (608, 2038980), (640, 1937031), (646, 1919040), (680, 1823088), (760, 1631184), (816, 1519240), (912, 1359320), (960, 1291354), (969, 1279360), (1020, 1215392), (1088, 1139430), (1140, 1087456), (1216, 1019490), (1292, 959520), (1360, 911544), (1520, 815592), (1615, 767616), (1632, 759620), (1824, 679660), (1920, 645677), (1938, 639680), (1999, 620160), (2040, 607696), (2176, 569715), (2280, 543728), (2432, 509745), (2584, 479760), (2720, 455772), (3040, 407796), (3230, 383808), (3264, 379810), (3648, 339830), (3876, 319840), (3998, 310080), (4080, 303848), (4560, 271864), (4845, 255872), (5168, 239880), (5440, 227886), (5997, 206720), (6080, 203898), (6460, 191904), (6528, 189905), (7296, 169915), (7752, 159920), (7996, 155040), (8160, 151924), (9120, 135932), (9690, 127936), (9995, 124032), (10336, 119940), (10880, 113943), (11994, 103360), (12160, 101949), (12920, 95952), (15504, 79960), (15992, 77520), (16320, 75962), (18240, 67966), (19380, 63968), (19990, 62016), (20672, 59970), (23988, 51680), (25840, 47976), (29985, 41344), (31008, 39980), (31984, 38760), (32640, 37981), (33983, 36480)]