12478420980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{7702729}}^1$

素因数の和:7702750

約数の個数: 60

約数和(自身を含む): 39145273860

約数和(自身を除く): 26666852880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 7702729, 15405458, 23108187, 30810916, 38513645, 46216374, 69324561, 77027290, 92432748, 115540935, 138649122, 154054580, 207973683, 231081870, 277298244, 346622805, 415947366, 462163740, 623921049, 693245610, 831894732, 1039868415, 1247842098, 1386491220, 2079736830, 2495684196, 3119605245, 4159473660, 6239210490, 12478420980]

約数ペア:

[(1, 12478420980), (2, 6239210490), (3, 4159473660), (4, 3119605245), (5, 2495684196), (6, 2079736830), (9, 1386491220), (10, 1247842098), (12, 1039868415), (15, 831894732), (18, 693245610), (20, 623921049), (27, 462163740), (30, 415947366), (36, 346622805), (45, 277298244), (54, 231081870), (60, 207973683), (81, 154054580), (90, 138649122), (108, 115540935), (135, 92432748), (162, 77027290), (180, 69324561), (270, 46216374), (324, 38513645), (405, 30810916), (540, 23108187), (810, 15405458), (1620, 7702729)]