81580080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14779}}^1$

素因数の和:14818

約数の個数: 80

約数和(自身を含む): 263911680

約数和(自身を除く): 182331600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 14779, 29558, 44337, 59116, 73895, 88674, 118232, 147790, 177348, 221685, 236464, 295580, 339917, 354696, 443370, 591160, 679834, 709392, 886740, 1019751, 1182320, 1359668, 1699585, 1773480, 2039502, 2719336, 3399170, 3546960, 4079004, 5098755, 5438672, 6798340, 8158008, 10197510, 13596680, 16316016, 20395020, 27193360, 40790040, 81580080]

約数ペア:

[(1, 81580080), (2, 40790040), (3, 27193360), (4, 20395020), (5, 16316016), (6, 13596680), (8, 10197510), (10, 8158008), (12, 6798340), (15, 5438672), (16, 5098755), (20, 4079004), (23, 3546960), (24, 3399170), (30, 2719336), (40, 2039502), (46, 1773480), (48, 1699585), (60, 1359668), (69, 1182320), (80, 1019751), (92, 886740), (115, 709392), (120, 679834), (138, 591160), (184, 443370), (230, 354696), (240, 339917), (276, 295580), (345, 236464), (368, 221685), (460, 177348), (552, 147790), (690, 118232), (920, 88674), (1104, 73895), (1380, 59116), (1840, 44337), (2760, 29558), (5520, 14779)]