72249560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 167032800

約数和(自身を除く): 94783240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 109, 146, 218, 227, 292, 365, 436, 454, 545, 584, 730, 872, 908, 1090, 1135, 1460, 1816, 2180, 2270, 2920, 4360, 4540, 7957, 9080, 15914, 16571, 24743, 31828, 33142, 39785, 49486, 63656, 66284, 79570, 82855, 98972, 123715, 132568, 159140, 165710, 197944, 247430, 318280, 331420, 494860, 662840, 989720, 1806239, 3612478, 7224956, 9031195, 14449912, 18062390, 36124780, 72249560]

約数ペア:

[(1, 72249560), (2, 36124780), (4, 18062390), (5, 14449912), (8, 9031195), (10, 7224956), (20, 3612478), (40, 1806239), (73, 989720), (109, 662840), (146, 494860), (218, 331420), (227, 318280), (292, 247430), (365, 197944), (436, 165710), (454, 159140), (545, 132568), (584, 123715), (730, 98972), (872, 82855), (908, 79570), (1090, 66284), (1135, 63656), (1460, 49486), (1816, 39785), (2180, 33142), (2270, 31828), (2920, 24743), (4360, 16571), (4540, 15914), (7957, 9080)]