256646520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 384

約数和(自身を含む): 974937600

約数和(自身を除く): 718291080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 29, 30, 31, 36, 39, 40, 45, 52, 58, 60, 61, 62, 65, 72, 78, 87, 90, 93, 104, 116, 117, 120, 122, 124, 130, 145, 155, 156, 174, 180, 183, 186, 195, 232, 234, 244, 248, 260, 261, 279, 290, 305, 310, 312, 348, 360, 366, 372, 377, 390, 403, 435, 465, 468, 488, 520, 522, 549, 558, 580, 585, 610, 620, 696, 732, 744, 754, 780, 793, 806, 870, 899, 915, 930, 936, 1044, 1098, 1116, 1131, 1160, 1170, 1209, 1220, 1240, 1305, 1395, 1464, 1508, 1560, 1586, 1612, 1740, 1769, 1798, 1830, 1860, 1885, 1891, 2015, 2088, 2196, 2232, 2262, 2340, 2379, 2418, 2440, 2610, 2697, 2745, 2790, 3016, 3172, 3224, 3393, 3480, 3538, 3596, 3627, 3660, 3720, 3770, 3782, 3965, 4030, 4392, 4495, 4524, 4680, 4758, 4836, 5220, 5307, 5394, 5490, 5580, 5655, 5673, 6045, 6344, 6786, 7076, 7137, 7192, 7254, 7320, 7540, 7564, 7930, 8060, 8091, 8845, 8990, 9048, 9455, 9516, 9672, 10440, 10614, 10788, 10980, 11160, 11310, 11346, 11687, 11895, 12090, 13485, 13572, 14152, 14274, 14508, 15080, 15128, 15860, 15921, 16120, 16182, 16965, 17019, 17690, 17980, 18135, 18910, 19032, 21228, 21576, 21960, 22620, 22692, 22997, 23374, 23790, 24180, 24583, 26535, 26970, 27144, 28365, 28548, 29016, 31720, 31842, 32364, 33930, 34038, 35061, 35380, 35685, 35960, 36270, 37820, 40455, 42456, 45240, 45384, 45994, 46748, 47580, 48360, 49166, 53070, 53940, 54839, 56730, 57096, 58435, 63684, 64728, 67860, 68076, 68991, 70122, 70760, 71370, 72540, 73749, 75640, 79605, 80910, 85095, 91988, 93496, 95160, 98332, 105183, 106140, 107880, 109678, 113460, 114985, 116870, 122915, 127368, 135720, 136152, 137982, 140244, 142740, 145080, 147498, 159210, 161820, 164517, 170190, 175305, 183976, 196664, 206973, 210366, 212280, 219356, 221247, 226920, 229970, 233740, 245830, 274195, 275964, 280488, 285480, 294996, 318420, 323640, 329034, 340380, 344955, 350610, 368745, 413946, 420732, 438712, 442494, 459940, 467480, 491660, 493551, 525915, 548390, 551928, 589992, 636840, 658068, 680760, 689910, 701220, 712907, 737490, 822585, 827892, 841464, 884988, 919880, 983320, 987102, 1034865, 1051830, 1096780, 1106235, 1316136, 1379820, 1402440, 1425814, 1474980, 1645170, 1655784, 1769976, 1974204, 2069730, 2103660, 2138721, 2193560, 2212470, 2467755, 2759640, 2851628, 2949960, 3290340, 3564535, 3948408, 4139460, 4207320, 4277442, 4424940, 4935510, 5703256, 6416163, 6580680, 7129070, 8278920, 8554884, 8849880, 9871020, 10693605, 12832326, 14258140, 17109768, 19742040, 21387210, 25664652, 28516280, 32080815, 42774420, 51329304, 64161630, 85548840, 128323260, 256646520]

約数ペア:

[(1, 256646520), (2, 128323260), (3, 85548840), (4, 64161630), (5, 51329304), (6, 42774420), (8, 32080815), (9, 28516280), (10, 25664652), (12, 21387210), (13, 19742040), (15, 17109768), (18, 14258140), (20, 12832326), (24, 10693605), (26, 9871020), (29, 8849880), (30, 8554884), (31, 8278920), (36, 7129070), (39, 6580680), (40, 6416163), (45, 5703256), (52, 4935510), (58, 4424940), (60, 4277442), (61, 4207320), (62, 4139460), (65, 3948408), (72, 3564535), (78, 3290340), (87, 2949960), (90, 2851628), (93, 2759640), (104, 2467755), (116, 2212470), (117, 2193560), (120, 2138721), (122, 2103660), (124, 2069730), (130, 1974204), (145, 1769976), (155, 1655784), (156, 1645170), (174, 1474980), (180, 1425814), (183, 1402440), (186, 1379820), (195, 1316136), (232, 1106235), (234, 1096780), (244, 1051830), (248, 1034865), (260, 987102), (261, 983320), (279, 919880), (290, 884988), (305, 841464), (310, 827892), (312, 822585), (348, 737490), (360, 712907), (366, 701220), (372, 689910), (377, 680760), (390, 658068), (403, 636840), (435, 589992), (465, 551928), (468, 548390), (488, 525915), (520, 493551), (522, 491660), (549, 467480), (558, 459940), (580, 442494), (585, 438712), (610, 420732), (620, 413946), (696, 368745), (732, 350610), (744, 344955), (754, 340380), (780, 329034), (793, 323640), (806, 318420), (870, 294996), (899, 285480), (915, 280488), (930, 275964), (936, 274195), (1044, 245830), (1098, 233740), (1116, 229970), (1131, 226920), (1160, 221247), (1170, 219356), (1209, 212280), (1220, 210366), (1240, 206973), (1305, 196664), (1395, 183976), (1464, 175305), (1508, 170190), (1560, 164517), (1586, 161820), (1612, 159210), (1740, 147498), (1769, 145080), (1798, 142740), (1830, 140244), (1860, 137982), (1885, 136152), (1891, 135720), (2015, 127368), (2088, 122915), (2196, 116870), (2232, 114985), (2262, 113460), (2340, 109678), (2379, 107880), (2418, 106140), (2440, 105183), (2610, 98332), (2697, 95160), (2745, 93496), (2790, 91988), (3016, 85095), (3172, 80910), (3224, 79605), (3393, 75640), (3480, 73749), (3538, 72540), (3596, 71370), (3627, 70760), (3660, 70122), (3720, 68991), (3770, 68076), (3782, 67860), (3965, 64728), (4030, 63684), (4392, 58435), (4495, 57096), (4524, 56730), (4680, 54839), (4758, 53940), (4836, 53070), (5220, 49166), (5307, 48360), (5394, 47580), (5490, 46748), (5580, 45994), (5655, 45384), (5673, 45240), (6045, 42456), (6344, 40455), (6786, 37820), (7076, 36270), (7137, 35960), (7192, 35685), (7254, 35380), (7320, 35061), (7540, 34038), (7564, 33930), (7930, 32364), (8060, 31842), (8091, 31720), (8845, 29016), (8990, 28548), (9048, 28365), (9455, 27144), (9516, 26970), (9672, 26535), (10440, 24583), (10614, 24180), (10788, 23790), (10980, 23374), (11160, 22997), (11310, 22692), (11346, 22620), (11687, 21960), (11895, 21576), (12090, 21228), (13485, 19032), (13572, 18910), (14152, 18135), (14274, 17980), (14508, 17690), (15080, 17019), (15128, 16965), (15860, 16182), (15921, 16120)]