253958490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2173

約数の個数: 80

約数和(自身を含む): 687559752

約数和(自身を除く): 433601262

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 157, 162, 270, 314, 405, 471, 785, 810, 942, 1413, 1570, 1997, 2355, 2826, 3994, 4239, 4710, 5991, 7065, 8478, 9985, 11982, 12717, 14130, 17973, 19970, 21195, 25434, 29955, 35946, 42390, 53919, 59910, 63585, 89865, 107838, 127170, 161757, 179730, 269595, 313529, 323514, 539190, 627058, 808785, 940587, 1567645, 1617570, 1881174, 2821761, 3135290, 4702935, 5643522, 8465283, 9405870, 14108805, 16930566, 25395849, 28217610, 42326415, 50791698, 84652830, 126979245, 253958490]

約数ペア:

[(1, 253958490), (2, 126979245), (3, 84652830), (5, 50791698), (6, 42326415), (9, 28217610), (10, 25395849), (15, 16930566), (18, 14108805), (27, 9405870), (30, 8465283), (45, 5643522), (54, 4702935), (81, 3135290), (90, 2821761), (135, 1881174), (157, 1617570), (162, 1567645), (270, 940587), (314, 808785), (405, 627058), (471, 539190), (785, 323514), (810, 313529), (942, 269595), (1413, 179730), (1570, 161757), (1997, 127170), (2355, 107838), (2826, 89865), (3994, 63585), (4239, 59910), (4710, 53919), (5991, 42390), (7065, 35946), (8478, 29955), (9985, 25434), (11982, 21195), (12717, 19970), (14130, 17973)]