1187793520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1091}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 2859816960

約数和(自身を除く): 1672023440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 439, 496, 620, 878, 1091, 1240, 1756, 2182, 2195, 2480, 3512, 4364, 4390, 5455, 7024, 8728, 8780, 10910, 13609, 17456, 17560, 21820, 27218, 33821, 35120, 43640, 54436, 67642, 68045, 87280, 108872, 135284, 136090, 169105, 217744, 270568, 272180, 338210, 478949, 541136, 544360, 676420, 957898, 1088720, 1352840, 1915796, 2394745, 2705680, 3831592, 4789490, 7663184, 9578980, 14847419, 19157960, 29694838, 38315920, 59389676, 74237095, 118779352, 148474190, 237558704, 296948380, 593896760, 1187793520]

約数ペア:

[(1, 1187793520), (2, 593896760), (4, 296948380), (5, 237558704), (8, 148474190), (10, 118779352), (16, 74237095), (20, 59389676), (31, 38315920), (40, 29694838), (62, 19157960), (80, 14847419), (124, 9578980), (155, 7663184), (248, 4789490), (310, 3831592), (439, 2705680), (496, 2394745), (620, 1915796), (878, 1352840), (1091, 1088720), (1240, 957898), (1756, 676420), (2182, 544360), (2195, 541136), (2480, 478949), (3512, 338210), (4364, 272180), (4390, 270568), (5455, 217744), (7024, 169105), (8728, 136090), (8780, 135284), (10910, 108872), (13609, 87280), (17456, 68045), (17560, 67642), (21820, 54436), (27218, 43640), (33821, 35120)]