7715240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 19247760

約数和(自身を除く): 11532520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 401, 481, 520, 740, 802, 962, 1480, 1604, 1924, 2005, 2405, 3208, 3848, 4010, 4810, 5213, 8020, 9620, 10426, 14837, 16040, 19240, 20852, 26065, 29674, 41704, 52130, 59348, 74185, 104260, 118696, 148370, 192881, 208520, 296740, 385762, 593480, 771524, 964405, 1543048, 1928810, 3857620, 7715240]

約数ペア:

[(1, 7715240), (2, 3857620), (4, 1928810), (5, 1543048), (8, 964405), (10, 771524), (13, 593480), (20, 385762), (26, 296740), (37, 208520), (40, 192881), (52, 148370), (65, 118696), (74, 104260), (104, 74185), (130, 59348), (148, 52130), (185, 41704), (260, 29674), (296, 26065), (370, 20852), (401, 19240), (481, 16040), (520, 14837), (740, 10426), (802, 9620), (962, 8020), (1480, 5213), (1604, 4810), (1924, 4010), (2005, 3848), (2405, 3208)]