256263360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 224

約数和(自身を含む): 858316800

約数和(自身を除く): 602053440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 79, 80, 93, 96, 109, 120, 124, 155, 158, 160, 186, 192, 218, 237, 240, 248, 310, 316, 320, 327, 372, 395, 436, 465, 474, 480, 496, 545, 620, 632, 654, 744, 790, 872, 930, 948, 960, 992, 1090, 1185, 1240, 1264, 1308, 1488, 1580, 1635, 1744, 1860, 1896, 1984, 2180, 2370, 2449, 2480, 2528, 2616, 2976, 3160, 3270, 3379, 3488, 3720, 3792, 4360, 4740, 4898, 4960, 5056, 5232, 5952, 6320, 6540, 6758, 6976, 7347, 7440, 7584, 8611, 8720, 9480, 9796, 9920, 10137, 10464, 12245, 12640, 13080, 13516, 14694, 14880, 15168, 16895, 17222, 17440, 18960, 19592, 20274, 20928, 24490, 25280, 25833, 26160, 27032, 29388, 29760, 33790, 34444, 34880, 36735, 37920, 39184, 40548, 43055, 48980, 50685, 51666, 52320, 54064, 58776, 67580, 68888, 73470, 75840, 78368, 81096, 86110, 97960, 101370, 103332, 104640, 108128, 117552, 129165, 135160, 137776, 146940, 156736, 162192, 172220, 195920, 202740, 206664, 216256, 235104, 258330, 266941, 270320, 275552, 293880, 324384, 344440, 391840, 405480, 413328, 470208, 516660, 533882, 540640, 551104, 587760, 648768, 688880, 783680, 800823, 810960, 826656, 1033320, 1067764, 1081280, 1175520, 1334705, 1377760, 1601646, 1621920, 1653312, 2066640, 2135528, 2351040, 2669410, 2755520, 3203292, 3243840, 4004115, 4133280, 4271056, 5338820, 6406584, 8008230, 8266560, 8542112, 10677640, 12813168, 16016460, 17084224, 21355280, 25626336, 32032920, 42710560, 51252672, 64065840, 85421120, 128131680, 256263360]

約数ペア:

[(1, 256263360), (2, 128131680), (3, 85421120), (4, 64065840), (5, 51252672), (6, 42710560), (8, 32032920), (10, 25626336), (12, 21355280), (15, 17084224), (16, 16016460), (20, 12813168), (24, 10677640), (30, 8542112), (31, 8266560), (32, 8008230), (40, 6406584), (48, 5338820), (60, 4271056), (62, 4133280), (64, 4004115), (79, 3243840), (80, 3203292), (93, 2755520), (96, 2669410), (109, 2351040), (120, 2135528), (124, 2066640), (155, 1653312), (158, 1621920), (160, 1601646), (186, 1377760), (192, 1334705), (218, 1175520), (237, 1081280), (240, 1067764), (248, 1033320), (310, 826656), (316, 810960), (320, 800823), (327, 783680), (372, 688880), (395, 648768), (436, 587760), (465, 551104), (474, 540640), (480, 533882), (496, 516660), (545, 470208), (620, 413328), (632, 405480), (654, 391840), (744, 344440), (790, 324384), (872, 293880), (930, 275552), (948, 270320), (960, 266941), (992, 258330), (1090, 235104), (1185, 216256), (1240, 206664), (1264, 202740), (1308, 195920), (1488, 172220), (1580, 162192), (1635, 156736), (1744, 146940), (1860, 137776), (1896, 135160), (1984, 129165), (2180, 117552), (2370, 108128), (2449, 104640), (2480, 103332), (2528, 101370), (2616, 97960), (2976, 86110), (3160, 81096), (3270, 78368), (3379, 75840), (3488, 73470), (3720, 68888), (3792, 67580), (4360, 58776), (4740, 54064), (4898, 52320), (4960, 51666), (5056, 50685), (5232, 48980), (5952, 43055), (6320, 40548), (6540, 39184), (6758, 37920), (6976, 36735), (7347, 34880), (7440, 34444), (7584, 33790), (8611, 29760), (8720, 29388), (9480, 27032), (9796, 26160), (9920, 25833), (10137, 25280), (10464, 24490), (12245, 20928), (12640, 20274), (13080, 19592), (13516, 18960), (14694, 17440), (14880, 17222), (15168, 16895)]