61120720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 151776000

約数和(自身を除く): 90655280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 509, 632, 760, 790, 1018, 1264, 1501, 1520, 1580, 2036, 2545, 3002, 3160, 4072, 5090, 6004, 6320, 7505, 8144, 9671, 10180, 12008, 15010, 19342, 20360, 24016, 30020, 38684, 40211, 40720, 48355, 60040, 77368, 80422, 96710, 120080, 154736, 160844, 193420, 201055, 321688, 386840, 402110, 643376, 764009, 773680, 804220, 1528018, 1608440, 3056036, 3216880, 3820045, 6112072, 7640090, 12224144, 15280180, 30560360, 61120720]

約数ペア:

[(1, 61120720), (2, 30560360), (4, 15280180), (5, 12224144), (8, 7640090), (10, 6112072), (16, 3820045), (19, 3216880), (20, 3056036), (38, 1608440), (40, 1528018), (76, 804220), (79, 773680), (80, 764009), (95, 643376), (152, 402110), (158, 386840), (190, 321688), (304, 201055), (316, 193420), (380, 160844), (395, 154736), (509, 120080), (632, 96710), (760, 80422), (790, 77368), (1018, 60040), (1264, 48355), (1501, 40720), (1520, 40211), (1580, 38684), (2036, 30020), (2545, 24016), (3002, 20360), (3160, 19342), (4072, 15010), (5090, 12008), (6004, 10180), (6320, 9671), (7505, 8144)]