90931120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 245127168

約数和(自身を除く): 154196048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2287, 2485, 2840, 3976, 4574, 4970, 5680, 7952, 9148, 9940, 11435, 16009, 18296, 19880, 22870, 32018, 36592, 39760, 45740, 64036, 80045, 91480, 128072, 160090, 162377, 182960, 256144, 320180, 324754, 640360, 649508, 811885, 1136639, 1280720, 1299016, 1623770, 2273278, 2598032, 3247540, 4546556, 5683195, 6495080, 9093112, 11366390, 12990160, 18186224, 22732780, 45465560, 90931120]

約数ペア:

[(1, 90931120), (2, 45465560), (4, 22732780), (5, 18186224), (7, 12990160), (8, 11366390), (10, 9093112), (14, 6495080), (16, 5683195), (20, 4546556), (28, 3247540), (35, 2598032), (40, 2273278), (56, 1623770), (70, 1299016), (71, 1280720), (80, 1136639), (112, 811885), (140, 649508), (142, 640360), (280, 324754), (284, 320180), (355, 256144), (497, 182960), (560, 162377), (568, 160090), (710, 128072), (994, 91480), (1136, 80045), (1420, 64036), (1988, 45740), (2287, 39760), (2485, 36592), (2840, 32018), (3976, 22870), (4574, 19880), (4970, 18296), (5680, 16009), (7952, 11435), (9148, 9940)]