654458480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2633}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 1646144640

約数和(自身を除く): 991686160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 478, 520, 956, 1040, 1195, 1912, 2390, 2633, 3107, 3824, 4780, 5266, 6214, 9560, 10532, 12428, 13165, 15535, 19120, 21064, 24856, 26330, 31070, 34229, 42128, 49712, 52660, 62140, 68458, 105320, 124280, 136916, 171145, 210640, 248560, 273832, 342290, 547664, 629287, 684580, 1258574, 1369160, 2517148, 2738320, 3146435, 5034296, 6292870, 8180731, 10068592, 12585740, 16361462, 25171480, 32722924, 40903655, 50342960, 65445848, 81807310, 130891696, 163614620, 327229240, 654458480]

約数ペア:

[(1, 654458480), (2, 327229240), (4, 163614620), (5, 130891696), (8, 81807310), (10, 65445848), (13, 50342960), (16, 40903655), (20, 32722924), (26, 25171480), (40, 16361462), (52, 12585740), (65, 10068592), (80, 8180731), (104, 6292870), (130, 5034296), (208, 3146435), (239, 2738320), (260, 2517148), (478, 1369160), (520, 1258574), (956, 684580), (1040, 629287), (1195, 547664), (1912, 342290), (2390, 273832), (2633, 248560), (3107, 210640), (3824, 171145), (4780, 136916), (5266, 124280), (6214, 105320), (9560, 68458), (10532, 62140), (12428, 52660), (13165, 49712), (15535, 42128), (19120, 34229), (21064, 31070), (24856, 26330)]