289672020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146299}}^1$

素因数の和:146325

約数の個数: 72

約数和(自身を含む): 958557600

約数和(自身を除く): 668885580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 146299, 292598, 438897, 585196, 731495, 877794, 1316691, 1462990, 1609289, 1755588, 2194485, 2633382, 2925980, 3218578, 4388970, 4827867, 5266764, 6437156, 6583455, 8046445, 8777940, 9655734, 13166910, 14483601, 16092890, 19311468, 24139335, 26333820, 28967202, 32185780, 48278670, 57934404, 72418005, 96557340, 144836010, 289672020]

約数ペア:

[(1, 289672020), (2, 144836010), (3, 96557340), (4, 72418005), (5, 57934404), (6, 48278670), (9, 32185780), (10, 28967202), (11, 26333820), (12, 24139335), (15, 19311468), (18, 16092890), (20, 14483601), (22, 13166910), (30, 9655734), (33, 8777940), (36, 8046445), (44, 6583455), (45, 6437156), (55, 5266764), (60, 4827867), (66, 4388970), (90, 3218578), (99, 2925980), (110, 2633382), (132, 2194485), (165, 1755588), (180, 1609289), (198, 1462990), (220, 1316691), (330, 877794), (396, 731495), (495, 585196), (660, 438897), (990, 292598), (1980, 146299)]