1491591780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{394601}}^1$

素因数の和:394626

約数の個数: 96

約数和(自身を含む): 5303450880

約数和(自身を除く): 3811859100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 394601, 789202, 1183803, 1578404, 1973005, 2367606, 2762207, 3551409, 3946010, 4735212, 5524414, 5919015, 7102818, 7892020, 8286621, 10654227, 11048828, 11838030, 13811035, 14205636, 16573242, 17757045, 21308454, 23676060, 24859863, 27622070, 33146484, 35514090, 41433105, 42616908, 49719726, 53271135, 55244140, 71028180, 74579589, 82866210, 99439452, 106542270, 124299315, 149159178, 165732420, 213084540, 248598630, 298318356, 372897945, 497197260, 745795890, 1491591780]

約数ペア:

[(1, 1491591780), (2, 745795890), (3, 497197260), (4, 372897945), (5, 298318356), (6, 248598630), (7, 213084540), (9, 165732420), (10, 149159178), (12, 124299315), (14, 106542270), (15, 99439452), (18, 82866210), (20, 74579589), (21, 71028180), (27, 55244140), (28, 53271135), (30, 49719726), (35, 42616908), (36, 41433105), (42, 35514090), (45, 33146484), (54, 27622070), (60, 24859863), (63, 23676060), (70, 21308454), (84, 17757045), (90, 16573242), (105, 14205636), (108, 13811035), (126, 11838030), (135, 11048828), (140, 10654227), (180, 8286621), (189, 7892020), (210, 7102818), (252, 5919015), (270, 5524414), (315, 4735212), (378, 3946010), (420, 3551409), (540, 2762207), (630, 2367606), (756, 1973005), (945, 1578404), (1260, 1183803), (1890, 789202), (3780, 394601)]