315791440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 769593600

約数和(自身を除く): 453802160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 145, 158, 232, 290, 316, 395, 464, 580, 632, 790, 1160, 1264, 1580, 1723, 2291, 2320, 3160, 3446, 4582, 6320, 6892, 8615, 9164, 11455, 13784, 17230, 18328, 22910, 27568, 34460, 36656, 45820, 49967, 68920, 91640, 99934, 136117, 137840, 183280, 199868, 249835, 272234, 399736, 499670, 544468, 680585, 799472, 999340, 1088936, 1361170, 1998680, 2177872, 2722340, 3947393, 3997360, 5444680, 7894786, 10889360, 15789572, 19736965, 31579144, 39473930, 63158288, 78947860, 157895720, 315791440]

約数ペア:

[(1, 315791440), (2, 157895720), (4, 78947860), (5, 63158288), (8, 39473930), (10, 31579144), (16, 19736965), (20, 15789572), (29, 10889360), (40, 7894786), (58, 5444680), (79, 3997360), (80, 3947393), (116, 2722340), (145, 2177872), (158, 1998680), (232, 1361170), (290, 1088936), (316, 999340), (395, 799472), (464, 680585), (580, 544468), (632, 499670), (790, 399736), (1160, 272234), (1264, 249835), (1580, 199868), (1723, 183280), (2291, 137840), (2320, 136117), (3160, 99934), (3446, 91640), (4582, 68920), (6320, 49967), (6892, 45820), (8615, 36656), (9164, 34460), (11455, 27568), (13784, 22910), (17230, 18328)]