318457720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 844784640

約数和(自身を除く): 526326920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 83, 140, 142, 166, 193, 280, 284, 332, 355, 386, 415, 497, 568, 581, 664, 710, 772, 830, 965, 994, 1162, 1351, 1420, 1544, 1660, 1930, 1988, 2324, 2485, 2702, 2840, 2905, 3320, 3860, 3976, 4648, 4970, 5404, 5810, 5893, 6755, 7720, 9940, 10808, 11620, 11786, 13510, 13703, 16019, 19880, 23240, 23572, 27020, 27406, 29465, 32038, 41251, 47144, 54040, 54812, 58930, 64076, 68515, 80095, 82502, 95921, 109624, 112133, 117860, 128152, 137030, 160190, 165004, 191842, 206255, 224266, 235720, 274060, 320380, 330008, 383684, 412510, 448532, 479605, 548120, 560665, 640760, 767368, 825020, 897064, 959210, 1121330, 1137349, 1650040, 1918420, 2242660, 2274698, 3836840, 4485320, 4549396, 5686745, 7961443, 9098792, 11373490, 15922886, 22746980, 31845772, 39807215, 45493960, 63691544, 79614430, 159228860, 318457720]

約数ペア:

[(1, 318457720), (2, 159228860), (4, 79614430), (5, 63691544), (7, 45493960), (8, 39807215), (10, 31845772), (14, 22746980), (20, 15922886), (28, 11373490), (35, 9098792), (40, 7961443), (56, 5686745), (70, 4549396), (71, 4485320), (83, 3836840), (140, 2274698), (142, 2242660), (166, 1918420), (193, 1650040), (280, 1137349), (284, 1121330), (332, 959210), (355, 897064), (386, 825020), (415, 767368), (497, 640760), (568, 560665), (581, 548120), (664, 479605), (710, 448532), (772, 412510), (830, 383684), (965, 330008), (994, 320380), (1162, 274060), (1351, 235720), (1420, 224266), (1544, 206255), (1660, 191842), (1930, 165004), (1988, 160190), (2324, 137030), (2485, 128152), (2702, 117860), (2840, 112133), (2905, 109624), (3320, 95921), (3860, 82502), (3976, 80095), (4648, 68515), (4970, 64076), (5404, 58930), (5810, 54812), (5893, 54040), (6755, 47144), (7720, 41251), (9940, 32038), (10808, 29465), (11620, 27406), (11786, 27020), (13510, 23572), (13703, 23240), (16019, 19880)]