31291890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{3041}}^1$

素因数の和:3072

約数の個数: 64

約数和(自身を含む): 87609600

約数和(自身を除く): 56317710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3041, 3430, 5145, 6082, 9123, 10290, 15205, 18246, 21287, 30410, 42574, 45615, 63861, 91230, 106435, 127722, 149009, 212870, 298018, 319305, 447027, 638610, 745045, 894054, 1043063, 1490090, 2086126, 2235135, 3129189, 4470270, 5215315, 6258378, 10430630, 15645945, 31291890]

約数ペア:

[(1, 31291890), (2, 15645945), (3, 10430630), (5, 6258378), (6, 5215315), (7, 4470270), (10, 3129189), (14, 2235135), (15, 2086126), (21, 1490090), (30, 1043063), (35, 894054), (42, 745045), (49, 638610), (70, 447027), (98, 319305), (105, 298018), (147, 212870), (210, 149009), (245, 127722), (294, 106435), (343, 91230), (490, 63861), (686, 45615), (735, 42574), (1029, 30410), (1470, 21287), (1715, 18246), (2058, 15205), (3041, 10290), (3430, 9123), (5145, 6082)]