81802080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56807}}^1$

素因数の和:56828

約数の個数: 72

約数和(自身を含む): 279154512

約数和(自身を除く): 197352432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56807, 113614, 170421, 227228, 284035, 340842, 454456, 511263, 568070, 681684, 852105, 908912, 1022526, 1136140, 1363368, 1704210, 1817824, 2045052, 2272280, 2556315, 2726736, 3408420, 4090104, 4544560, 5112630, 5453472, 6816840, 8180208, 9089120, 10225260, 13633680, 16360416, 20450520, 27267360, 40901040, 81802080]

約数ペア:

[(1, 81802080), (2, 40901040), (3, 27267360), (4, 20450520), (5, 16360416), (6, 13633680), (8, 10225260), (9, 9089120), (10, 8180208), (12, 6816840), (15, 5453472), (16, 5112630), (18, 4544560), (20, 4090104), (24, 3408420), (30, 2726736), (32, 2556315), (36, 2272280), (40, 2045052), (45, 1817824), (48, 1704210), (60, 1363368), (72, 1136140), (80, 1022526), (90, 908912), (96, 852105), (120, 681684), (144, 568070), (160, 511263), (180, 454456), (240, 340842), (288, 284035), (360, 227228), (480, 170421), (720, 113614), (1440, 56807)]