279240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 907200

約数和(自身を除く): 627960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 179, 195, 260, 312, 358, 390, 520, 537, 716, 780, 895, 1074, 1432, 1560, 1790, 2148, 2327, 2685, 3580, 4296, 4654, 5370, 6981, 7160, 9308, 10740, 11635, 13962, 18616, 21480, 23270, 27924, 34905, 46540, 55848, 69810, 93080, 139620, 279240]

約数ペア:

[(1, 279240), (2, 139620), (3, 93080), (4, 69810), (5, 55848), (6, 46540), (8, 34905), (10, 27924), (12, 23270), (13, 21480), (15, 18616), (20, 13962), (24, 11635), (26, 10740), (30, 9308), (39, 7160), (40, 6981), (52, 5370), (60, 4654), (65, 4296), (78, 3580), (104, 2685), (120, 2327), (130, 2148), (156, 1790), (179, 1560), (195, 1432), (260, 1074), (312, 895), (358, 780), (390, 716), (520, 537)]