72431680

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1499}}^1$

素因数の和:1667

約数の個数: 56

約数和(自身を含む): 173736000

約数和(自身を除く): 101304320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1499, 1510, 2416, 2998, 3020, 4832, 5996, 6040, 7495, 9664, 11992, 12080, 14990, 23984, 24160, 29980, 47968, 48320, 59960, 95936, 119920, 226349, 239840, 452698, 479680, 905396, 1131745, 1810792, 2263490, 3621584, 4526980, 7243168, 9053960, 14486336, 18107920, 36215840, 72431680]

約数ペア:

[(1, 72431680), (2, 36215840), (4, 18107920), (5, 14486336), (8, 9053960), (10, 7243168), (16, 4526980), (20, 3621584), (32, 2263490), (40, 1810792), (64, 1131745), (80, 905396), (151, 479680), (160, 452698), (302, 239840), (320, 226349), (604, 119920), (755, 95936), (1208, 59960), (1499, 48320), (1510, 47968), (2416, 29980), (2998, 24160), (3020, 23984), (4832, 14990), (5996, 12080), (6040, 11992), (7495, 9664)]