66120880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1754

約数の個数: 80

約数和(自身を含む): 178274304

約数和(自身を除く): 112153424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1663, 1988, 2485, 2840, 3326, 3976, 4970, 5680, 6652, 7952, 8315, 9940, 11641, 13304, 16630, 19880, 23282, 26608, 33260, 39760, 46564, 58205, 66520, 93128, 116410, 118073, 133040, 186256, 232820, 236146, 465640, 472292, 590365, 826511, 931280, 944584, 1180730, 1653022, 1889168, 2361460, 3306044, 4132555, 4722920, 6612088, 8265110, 9445840, 13224176, 16530220, 33060440, 66120880]

約数ペア:

[(1, 66120880), (2, 33060440), (4, 16530220), (5, 13224176), (7, 9445840), (8, 8265110), (10, 6612088), (14, 4722920), (16, 4132555), (20, 3306044), (28, 2361460), (35, 1889168), (40, 1653022), (56, 1180730), (70, 944584), (71, 931280), (80, 826511), (112, 590365), (140, 472292), (142, 465640), (280, 236146), (284, 232820), (355, 186256), (497, 133040), (560, 118073), (568, 116410), (710, 93128), (994, 66520), (1136, 58205), (1420, 46564), (1663, 39760), (1988, 33260), (2485, 26608), (2840, 23282), (3326, 19880), (3976, 16630), (4970, 13304), (5680, 11641), (6652, 9940), (7952, 8315)]