64810020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 203777280

約数和(自身を除く): 138967260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 79, 110, 113, 121, 132, 158, 165, 220, 226, 237, 242, 316, 330, 339, 363, 395, 452, 474, 484, 565, 605, 660, 678, 726, 790, 869, 948, 1130, 1185, 1210, 1243, 1356, 1452, 1580, 1695, 1738, 1815, 2260, 2370, 2420, 2486, 2607, 3390, 3476, 3630, 3729, 4345, 4740, 4972, 5214, 6215, 6780, 7260, 7458, 8690, 8927, 9559, 10428, 12430, 13035, 13673, 14916, 17380, 17854, 18645, 19118, 24860, 26070, 26781, 27346, 28677, 35708, 37290, 38236, 41019, 44635, 47795, 52140, 53562, 54692, 57354, 68365, 74580, 82038, 89270, 95590, 98197, 107124, 114708, 133905, 136730, 143385, 164076, 178540, 191180, 196394, 205095, 267810, 273460, 286770, 294591, 392788, 410190, 490985, 535620, 573540, 589182, 820380, 981970, 1080167, 1178364, 1472955, 1963940, 2160334, 2945910, 3240501, 4320668, 5400835, 5891820, 6481002, 10801670, 12962004, 16202505, 21603340, 32405010, 64810020]

約数ペア:

[(1, 64810020), (2, 32405010), (3, 21603340), (4, 16202505), (5, 12962004), (6, 10801670), (10, 6481002), (11, 5891820), (12, 5400835), (15, 4320668), (20, 3240501), (22, 2945910), (30, 2160334), (33, 1963940), (44, 1472955), (55, 1178364), (60, 1080167), (66, 981970), (79, 820380), (110, 589182), (113, 573540), (121, 535620), (132, 490985), (158, 410190), (165, 392788), (220, 294591), (226, 286770), (237, 273460), (242, 267810), (316, 205095), (330, 196394), (339, 191180), (363, 178540), (395, 164076), (452, 143385), (474, 136730), (484, 133905), (565, 114708), (605, 107124), (660, 98197), (678, 95590), (726, 89270), (790, 82038), (869, 74580), (948, 68365), (1130, 57354), (1185, 54692), (1210, 53562), (1243, 52140), (1356, 47795), (1452, 44635), (1580, 41019), (1695, 38236), (1738, 37290), (1815, 35708), (2260, 28677), (2370, 27346), (2420, 26781), (2486, 26070), (2607, 24860), (3390, 19118), (3476, 18645), (3630, 17854), (3729, 17380), (4345, 14916), (4740, 13673), (4972, 13035), (5214, 12430), (6215, 10428), (6780, 9559), (7260, 8927), (7458, 8690)]