31879120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 94993920

約数和(自身を除く): 63114800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 151, 182, 203, 208, 232, 260, 280, 290, 302, 364, 377, 406, 455, 464, 520, 560, 580, 604, 728, 754, 755, 812, 910, 1015, 1040, 1057, 1160, 1208, 1456, 1508, 1510, 1624, 1820, 1885, 1963, 2030, 2114, 2320, 2416, 2639, 3016, 3020, 3248, 3640, 3770, 3926, 4060, 4228, 4379, 5278, 5285, 6032, 6040, 7280, 7540, 7852, 8120, 8456, 8758, 9815, 10556, 10570, 12080, 13195, 13741, 15080, 15704, 16240, 16912, 17516, 19630, 21112, 21140, 21895, 26390, 27482, 30160, 30653, 31408, 35032, 39260, 42224, 42280, 43790, 52780, 54964, 56927, 61306, 68705, 70064, 78520, 84560, 87580, 105560, 109928, 113854, 122612, 137410, 153265, 157040, 175160, 211120, 219856, 227708, 245224, 274820, 284635, 306530, 350320, 398489, 455416, 490448, 549640, 569270, 613060, 796978, 910832, 1099280, 1138540, 1226120, 1593956, 1992445, 2277080, 2452240, 3187912, 3984890, 4554160, 6375824, 7969780, 15939560, 31879120]

約数ペア:

[(1, 31879120), (2, 15939560), (4, 7969780), (5, 6375824), (7, 4554160), (8, 3984890), (10, 3187912), (13, 2452240), (14, 2277080), (16, 1992445), (20, 1593956), (26, 1226120), (28, 1138540), (29, 1099280), (35, 910832), (40, 796978), (52, 613060), (56, 569270), (58, 549640), (65, 490448), (70, 455416), (80, 398489), (91, 350320), (104, 306530), (112, 284635), (116, 274820), (130, 245224), (140, 227708), (145, 219856), (151, 211120), (182, 175160), (203, 157040), (208, 153265), (232, 137410), (260, 122612), (280, 113854), (290, 109928), (302, 105560), (364, 87580), (377, 84560), (406, 78520), (455, 70064), (464, 68705), (520, 61306), (560, 56927), (580, 54964), (604, 52780), (728, 43790), (754, 42280), (755, 42224), (812, 39260), (910, 35032), (1015, 31408), (1040, 30653), (1057, 30160), (1160, 27482), (1208, 26390), (1456, 21895), (1508, 21140), (1510, 21112), (1624, 19630), (1820, 17516), (1885, 16912), (1963, 16240), (2030, 15704), (2114, 15080), (2320, 13741), (2416, 13195), (2639, 12080), (3016, 10570), (3020, 10556), (3248, 9815), (3640, 8758), (3770, 8456), (3926, 8120), (4060, 7852), (4228, 7540), (4379, 7280), (5278, 6040), (5285, 6032)]