72885440

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{953}}^1$

素因数の和:1209

約数の個数: 56

約数和(自身を含む): 174467520

約数和(自身を除く): 101582080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 953, 956, 1195, 1906, 1912, 2390, 3812, 3824, 4765, 4780, 7624, 7648, 9530, 9560, 15248, 15296, 19060, 19120, 30496, 38120, 38240, 60992, 76240, 76480, 152480, 227767, 304960, 455534, 911068, 1138835, 1822136, 2277670, 3644272, 4555340, 7288544, 9110680, 14577088, 18221360, 36442720, 72885440]

約数ペア:

[(1, 72885440), (2, 36442720), (4, 18221360), (5, 14577088), (8, 9110680), (10, 7288544), (16, 4555340), (20, 3644272), (32, 2277670), (40, 1822136), (64, 1138835), (80, 911068), (160, 455534), (239, 304960), (320, 227767), (478, 152480), (953, 76480), (956, 76240), (1195, 60992), (1906, 38240), (1912, 38120), (2390, 30496), (3812, 19120), (3824, 19060), (4765, 15296), (4780, 15248), (7624, 9560), (7648, 9530)]