31976880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 110034624

約数和(自身を除く): 78057744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 148, 156, 185, 195, 208, 222, 240, 260, 277, 296, 312, 370, 390, 444, 481, 520, 554, 555, 592, 624, 740, 780, 831, 888, 962, 1040, 1108, 1110, 1385, 1443, 1480, 1560, 1662, 1776, 1924, 2216, 2220, 2405, 2770, 2886, 2960, 3120, 3324, 3601, 3848, 4155, 4432, 4440, 4810, 5540, 5772, 6648, 7202, 7215, 7696, 8310, 8880, 9620, 10249, 10803, 11080, 11544, 13296, 14404, 14430, 16620, 18005, 19240, 20498, 21606, 22160, 23088, 28808, 28860, 30747, 33240, 36010, 38480, 40996, 43212, 51245, 54015, 57616, 57720, 61494, 66480, 72020, 81992, 86424, 102490, 108030, 115440, 122988, 133237, 144040, 153735, 163984, 172848, 204980, 216060, 245976, 266474, 288080, 307470, 399711, 409960, 432120, 491952, 532948, 614940, 666185, 799422, 819920, 864240, 1065896, 1229880, 1332370, 1598844, 1998555, 2131792, 2459760, 2664740, 3197688, 3997110, 5329480, 6395376, 7994220, 10658960, 15988440, 31976880]

約数ペア:

[(1, 31976880), (2, 15988440), (3, 10658960), (4, 7994220), (5, 6395376), (6, 5329480), (8, 3997110), (10, 3197688), (12, 2664740), (13, 2459760), (15, 2131792), (16, 1998555), (20, 1598844), (24, 1332370), (26, 1229880), (30, 1065896), (37, 864240), (39, 819920), (40, 799422), (48, 666185), (52, 614940), (60, 532948), (65, 491952), (74, 432120), (78, 409960), (80, 399711), (104, 307470), (111, 288080), (120, 266474), (130, 245976), (148, 216060), (156, 204980), (185, 172848), (195, 163984), (208, 153735), (222, 144040), (240, 133237), (260, 122988), (277, 115440), (296, 108030), (312, 102490), (370, 86424), (390, 81992), (444, 72020), (481, 66480), (520, 61494), (554, 57720), (555, 57616), (592, 54015), (624, 51245), (740, 43212), (780, 40996), (831, 38480), (888, 36010), (962, 33240), (1040, 30747), (1108, 28860), (1110, 28808), (1385, 23088), (1443, 22160), (1480, 21606), (1560, 20498), (1662, 19240), (1776, 18005), (1924, 16620), (2216, 14430), (2220, 14404), (2405, 13296), (2770, 11544), (2886, 11080), (2960, 10803), (3120, 10249), (3324, 9620), (3601, 8880), (3848, 8310), (4155, 7696), (4432, 7215), (4440, 7202), (4810, 6648), (5540, 5772)]