620171760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 2082991680

約数和(自身を除く): 1462819920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 197, 208, 240, 260, 312, 390, 394, 520, 591, 624, 780, 788, 985, 1009, 1040, 1182, 1560, 1576, 1970, 2018, 2364, 2561, 2955, 3027, 3120, 3152, 3940, 4036, 4728, 5045, 5122, 5910, 6054, 7683, 7880, 8072, 9456, 10090, 10244, 11820, 12108, 12805, 13117, 15135, 15366, 15760, 16144, 20180, 20488, 23640, 24216, 25610, 26234, 30270, 30732, 38415, 39351, 40360, 40976, 47280, 48432, 51220, 52468, 60540, 61464, 65585, 76830, 78702, 80720, 102440, 104936, 121080, 122928, 131170, 153660, 157404, 196755, 198773, 204880, 209872, 242160, 262340, 307320, 314808, 393510, 397546, 524680, 596319, 614640, 629616, 787020, 795092, 993865, 1049360, 1192638, 1574040, 1590184, 1987730, 2385276, 2584049, 2981595, 3148080, 3180368, 3975460, 4770552, 5168098, 5963190, 7752147, 7950920, 9541104, 10336196, 11926380, 12920245, 15504294, 15901840, 20672392, 23852760, 25840490, 31008588, 38760735, 41344784, 47705520, 51680980, 62017176, 77521470, 103361960, 124034352, 155042940, 206723920, 310085880, 620171760]

約数ペア:

[(1, 620171760), (2, 310085880), (3, 206723920), (4, 155042940), (5, 124034352), (6, 103361960), (8, 77521470), (10, 62017176), (12, 51680980), (13, 47705520), (15, 41344784), (16, 38760735), (20, 31008588), (24, 25840490), (26, 23852760), (30, 20672392), (39, 15901840), (40, 15504294), (48, 12920245), (52, 11926380), (60, 10336196), (65, 9541104), (78, 7950920), (80, 7752147), (104, 5963190), (120, 5168098), (130, 4770552), (156, 3975460), (195, 3180368), (197, 3148080), (208, 2981595), (240, 2584049), (260, 2385276), (312, 1987730), (390, 1590184), (394, 1574040), (520, 1192638), (591, 1049360), (624, 993865), (780, 795092), (788, 787020), (985, 629616), (1009, 614640), (1040, 596319), (1182, 524680), (1560, 397546), (1576, 393510), (1970, 314808), (2018, 307320), (2364, 262340), (2561, 242160), (2955, 209872), (3027, 204880), (3120, 198773), (3152, 196755), (3940, 157404), (4036, 153660), (4728, 131170), (5045, 122928), (5122, 121080), (5910, 104936), (6054, 102440), (7683, 80720), (7880, 78702), (8072, 76830), (9456, 65585), (10090, 61464), (10244, 60540), (11820, 52468), (12108, 51220), (12805, 48432), (13117, 47280), (15135, 40976), (15366, 40360), (15760, 39351), (16144, 38415), (20180, 30732), (20488, 30270), (23640, 26234), (24216, 25610)]