279630

素因数分解:

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

素因数の和:265

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 506610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 239, 390, 478, 585, 717, 1170, 1195, 1434, 2151, 2390, 3107, 3585, 4302, 6214, 7170, 9321, 10755, 15535, 18642, 21510, 27963, 31070, 46605, 55926, 93210, 139815, 279630]

約数ペア:

[(1, 279630), (2, 139815), (3, 93210), (5, 55926), (6, 46605), (9, 31070), (10, 27963), (13, 21510), (15, 18642), (18, 15535), (26, 10755), (30, 9321), (39, 7170), (45, 6214), (65, 4302), (78, 3585), (90, 3107), (117, 2390), (130, 2151), (195, 1434), (234, 1195), (239, 1170), (390, 717), (478, 585)]