7963697960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{75787}}^1$

素因数の和:75906

約数の個数: 64

約数和(自身を含む): 18662037120

約数和(自身を除く): 10698339160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1420, 1480, 2627, 2840, 5254, 10508, 13135, 21016, 26270, 52540, 75787, 105080, 151574, 303148, 378935, 606296, 757870, 1515740, 2804119, 3031480, 5380877, 5608238, 10761754, 11216476, 14020595, 21523508, 22432952, 26904385, 28041190, 43047016, 53808770, 56082380, 107617540, 112164760, 199092449, 215235080, 398184898, 796369796, 995462245, 1592739592, 1990924490, 3981848980, 7963697960]

約数ペア:

[(1, 7963697960), (2, 3981848980), (4, 1990924490), (5, 1592739592), (8, 995462245), (10, 796369796), (20, 398184898), (37, 215235080), (40, 199092449), (71, 112164760), (74, 107617540), (142, 56082380), (148, 53808770), (185, 43047016), (284, 28041190), (296, 26904385), (355, 22432952), (370, 21523508), (568, 14020595), (710, 11216476), (740, 10761754), (1420, 5608238), (1480, 5380877), (2627, 3031480), (2840, 2804119), (5254, 1515740), (10508, 757870), (13135, 606296), (21016, 378935), (26270, 303148), (52540, 151574), (75787, 105080)]