15679218440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{38201}}^1$

素因数の和:38574

約数の個数: 64

約数和(自身を含む): 36527224320

約数和(自身を除く): 20848005880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 620, 662, 1240, 1324, 1655, 2648, 3310, 6620, 10261, 13240, 20522, 38201, 41044, 51305, 76402, 82088, 102610, 152804, 191005, 205220, 305608, 382010, 410440, 764020, 1184231, 1528040, 2368462, 4736924, 5921155, 9473848, 11842310, 12644531, 23684620, 25289062, 47369240, 50578124, 63222655, 101156248, 126445310, 252890620, 391980461, 505781240, 783960922, 1567921844, 1959902305, 3135843688, 3919804610, 7839609220, 15679218440]

約数ペア:

[(1, 15679218440), (2, 7839609220), (4, 3919804610), (5, 3135843688), (8, 1959902305), (10, 1567921844), (20, 783960922), (31, 505781240), (40, 391980461), (62, 252890620), (124, 126445310), (155, 101156248), (248, 63222655), (310, 50578124), (331, 47369240), (620, 25289062), (662, 23684620), (1240, 12644531), (1324, 11842310), (1655, 9473848), (2648, 5921155), (3310, 4736924), (6620, 2368462), (10261, 1528040), (13240, 1184231), (20522, 764020), (38201, 410440), (41044, 382010), (51305, 305608), (76402, 205220), (82088, 191005), (102610, 152804)]