67977520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 171676512

約数和(自身を除く): 103698992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 401, 520, 652, 802, 815, 1040, 1304, 1604, 1630, 2005, 2119, 2608, 3208, 3260, 4010, 4238, 5213, 6416, 6520, 8020, 8476, 10426, 10595, 13040, 16040, 16952, 20852, 21190, 26065, 32080, 33904, 41704, 42380, 52130, 65363, 83408, 84760, 104260, 130726, 169520, 208520, 261452, 326815, 417040, 522904, 653630, 849719, 1045808, 1307260, 1699438, 2614520, 3398876, 4248595, 5229040, 6797752, 8497190, 13595504, 16994380, 33988760, 67977520]

約数ペア:

[(1, 67977520), (2, 33988760), (4, 16994380), (5, 13595504), (8, 8497190), (10, 6797752), (13, 5229040), (16, 4248595), (20, 3398876), (26, 2614520), (40, 1699438), (52, 1307260), (65, 1045808), (80, 849719), (104, 653630), (130, 522904), (163, 417040), (208, 326815), (260, 261452), (326, 208520), (401, 169520), (520, 130726), (652, 104260), (802, 84760), (815, 83408), (1040, 65363), (1304, 52130), (1604, 42380), (1630, 41704), (2005, 33904), (2119, 32080), (2608, 26065), (3208, 21190), (3260, 20852), (4010, 16952), (4238, 16040), (5213, 13040), (6416, 10595), (6520, 10426), (8020, 8476)]