72991440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101377}}^1$

素因数の和:101396

約数の個数: 60

約数和(自身を含む): 245132004

約数和(自身を除く): 172140564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 101377, 202754, 304131, 405508, 506885, 608262, 811016, 912393, 1013770, 1216524, 1520655, 1622032, 1824786, 2027540, 2433048, 3041310, 3649572, 4055080, 4561965, 4866096, 6082620, 7299144, 8110160, 9123930, 12165240, 14598288, 18247860, 24330480, 36495720, 72991440]

約数ペア:

[(1, 72991440), (2, 36495720), (3, 24330480), (4, 18247860), (5, 14598288), (6, 12165240), (8, 9123930), (9, 8110160), (10, 7299144), (12, 6082620), (15, 4866096), (16, 4561965), (18, 4055080), (20, 3649572), (24, 3041310), (30, 2433048), (36, 2027540), (40, 1824786), (45, 1622032), (48, 1520655), (60, 1216524), (72, 1013770), (80, 912393), (90, 811016), (120, 608262), (144, 506885), (180, 405508), (240, 304131), (360, 202754), (720, 101377)]