81004660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 199221120

約数和(自身を除く): 118216460

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 179, 187, 220, 242, 340, 358, 374, 484, 605, 716, 748, 895, 935, 1210, 1331, 1790, 1870, 1969, 2057, 2420, 2662, 3043, 3580, 3740, 3938, 4114, 5324, 6086, 6655, 7876, 8228, 9845, 10285, 12172, 13310, 15215, 19690, 20570, 21659, 22627, 26620, 30430, 33473, 39380, 41140, 43318, 45254, 60860, 66946, 86636, 90508, 108295, 113135, 133892, 167365, 216590, 226270, 238249, 334730, 368203, 433180, 452540, 476498, 669460, 736406, 952996, 1191245, 1472812, 1841015, 2382490, 3682030, 4050233, 4764980, 7364060, 8100466, 16200932, 20251165, 40502330, 81004660]

約数ペア:

[(1, 81004660), (2, 40502330), (4, 20251165), (5, 16200932), (10, 8100466), (11, 7364060), (17, 4764980), (20, 4050233), (22, 3682030), (34, 2382490), (44, 1841015), (55, 1472812), (68, 1191245), (85, 952996), (110, 736406), (121, 669460), (170, 476498), (179, 452540), (187, 433180), (220, 368203), (242, 334730), (340, 238249), (358, 226270), (374, 216590), (484, 167365), (605, 133892), (716, 113135), (748, 108295), (895, 90508), (935, 86636), (1210, 66946), (1331, 60860), (1790, 45254), (1870, 43318), (1969, 41140), (2057, 39380), (2420, 33473), (2662, 30430), (3043, 26620), (3580, 22627), (3740, 21659), (3938, 20570), (4114, 19690), (5324, 15215), (6086, 13310), (6655, 12172), (7876, 10285), (8228, 9845)]