72734240

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{911}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 99633760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 911, 998, 1822, 1996, 2495, 3644, 3992, 4555, 4990, 7288, 7984, 9110, 9980, 14576, 15968, 18220, 19960, 29152, 36440, 39920, 72880, 79840, 145760, 454589, 909178, 1818356, 2272945, 3636712, 4545890, 7273424, 9091780, 14546848, 18183560, 36367120, 72734240]

約数ペア:

[(1, 72734240), (2, 36367120), (4, 18183560), (5, 14546848), (8, 9091780), (10, 7273424), (16, 4545890), (20, 3636712), (32, 2272945), (40, 1818356), (80, 909178), (160, 454589), (499, 145760), (911, 79840), (998, 72880), (1822, 39920), (1996, 36440), (2495, 29152), (3644, 19960), (3992, 18220), (4555, 15968), (4990, 14576), (7288, 9980), (7984, 9110)]