90621840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16417}}^1$

素因数の和:16456

約数の個数: 80

約数和(自身を含む): 293159808

約数和(自身を除く): 202537968

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, 16417, 32834, 49251, 65668, 82085, 98502, 131336, 164170, 197004, 246255, 262672, 328340, 377591, 394008, 492510, 656680, 755182, 788016, 985020, 1132773, 1313360, 1510364, 1887955, 1970040, 2265546, 3020728, 3775910, 3940080, 4531092, 5663865, 6041456, 7551820, 9062184, 11327730, 15103640, 18124368, 22655460, 30207280, 45310920, 90621840]

約数ペア:

[(1, 90621840), (2, 45310920), (3, 30207280), (4, 22655460), (5, 18124368), (6, 15103640), (8, 11327730), (10, 9062184), (12, 7551820), (15, 6041456), (16, 5663865), (20, 4531092), (23, 3940080), (24, 3775910), (30, 3020728), (40, 2265546), (46, 1970040), (48, 1887955), (60, 1510364), (69, 1313360), (80, 1132773), (92, 985020), (115, 788016), (120, 755182), (138, 656680), (184, 492510), (230, 394008), (240, 377591), (276, 328340), (345, 262672), (368, 246255), (460, 197004), (552, 164170), (690, 131336), (920, 98502), (1104, 82085), (1380, 65668), (1840, 49251), (2760, 32834), (5520, 16417)]