281545680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90239}}^1$

素因数の和:90268

約数の個数: 80

約数和(自身を含む): 939939840

約数和(自身を除く): 658394160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 90239, 180478, 270717, 360956, 451195, 541434, 721912, 902390, 1082868, 1173107, 1353585, 1443824, 1804780, 2165736, 2346214, 2707170, 3519321, 3609560, 4331472, 4692428, 5414340, 5865535, 7038642, 7219120, 9384856, 10828680, 11731070, 14077284, 17596605, 18769712, 21657360, 23462140, 28154568, 35193210, 46924280, 56309136, 70386420, 93848560, 140772840, 281545680]

約数ペア:

[(1, 281545680), (2, 140772840), (3, 93848560), (4, 70386420), (5, 56309136), (6, 46924280), (8, 35193210), (10, 28154568), (12, 23462140), (13, 21657360), (15, 18769712), (16, 17596605), (20, 14077284), (24, 11731070), (26, 10828680), (30, 9384856), (39, 7219120), (40, 7038642), (48, 5865535), (52, 5414340), (60, 4692428), (65, 4331472), (78, 3609560), (80, 3519321), (104, 2707170), (120, 2346214), (130, 2165736), (156, 1804780), (195, 1443824), (208, 1353585), (240, 1173107), (260, 1082868), (312, 902390), (390, 721912), (520, 541434), (624, 451195), (780, 360956), (1040, 270717), (1560, 180478), (3120, 90239)]