90506910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1$

素因数の和:1233

約数の個数: 64

約数和(自身を含む): 235146240

約数和(自身を除く): 144639330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 239, 390, 478, 717, 971, 1195, 1434, 1942, 2390, 2913, 3107, 3585, 4855, 5826, 6214, 7170, 9321, 9710, 12623, 14565, 15535, 18642, 25246, 29130, 31070, 37869, 46605, 63115, 75738, 93210, 126230, 189345, 232069, 378690, 464138, 696207, 1160345, 1392414, 2320690, 3016897, 3481035, 6033794, 6962070, 9050691, 15084485, 18101382, 30168970, 45253455, 90506910]

約数ペア:

[(1, 90506910), (2, 45253455), (3, 30168970), (5, 18101382), (6, 15084485), (10, 9050691), (13, 6962070), (15, 6033794), (26, 3481035), (30, 3016897), (39, 2320690), (65, 1392414), (78, 1160345), (130, 696207), (195, 464138), (239, 378690), (390, 232069), (478, 189345), (717, 126230), (971, 93210), (1195, 75738), (1434, 63115), (1942, 46605), (2390, 37869), (2913, 31070), (3107, 29130), (3585, 25246), (4855, 18642), (5826, 15535), (6214, 14565), (7170, 12623), (9321, 9710)]