71516560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{653}}^1$

素因数の和:740

約数の個数: 60

約数和(自身を含む): 171153108

約数和(自身を除く): 99636548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 653, 740, 1306, 1369, 1480, 2612, 2738, 2960, 3265, 5224, 5476, 6530, 6845, 10448, 10952, 13060, 13690, 21904, 24161, 26120, 27380, 48322, 52240, 54760, 96644, 109520, 120805, 193288, 241610, 386576, 483220, 893957, 966440, 1787914, 1932880, 3575828, 4469785, 7151656, 8939570, 14303312, 17879140, 35758280, 71516560]

約数ペア:

[(1, 71516560), (2, 35758280), (4, 17879140), (5, 14303312), (8, 8939570), (10, 7151656), (16, 4469785), (20, 3575828), (37, 1932880), (40, 1787914), (74, 966440), (80, 893957), (148, 483220), (185, 386576), (296, 241610), (370, 193288), (592, 120805), (653, 109520), (740, 96644), (1306, 54760), (1369, 52240), (1480, 48322), (2612, 27380), (2738, 26120), (2960, 24161), (3265, 21904), (5224, 13690), (5476, 13060), (6530, 10952), (6845, 10448)]