315480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 1036800

約数和(自身を除く): 721320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 239, 264, 330, 440, 478, 660, 717, 956, 1195, 1320, 1434, 1912, 2390, 2629, 2868, 3585, 4780, 5258, 5736, 7170, 7887, 9560, 10516, 13145, 14340, 15774, 21032, 26290, 28680, 31548, 39435, 52580, 63096, 78870, 105160, 157740, 315480]

約数ペア:

[(1, 315480), (2, 157740), (3, 105160), (4, 78870), (5, 63096), (6, 52580), (8, 39435), (10, 31548), (11, 28680), (12, 26290), (15, 21032), (20, 15774), (22, 14340), (24, 13145), (30, 10516), (33, 9560), (40, 7887), (44, 7170), (55, 5736), (60, 5258), (66, 4780), (88, 3585), (110, 2868), (120, 2629), (132, 2390), (165, 1912), (220, 1434), (239, 1320), (264, 1195), (330, 956), (440, 717), (478, 660)]