78895620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 120

約数和(自身を含む): 255644928

約数和(自身を除く): 176749308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1571, 1620, 1674, 1860, 2511, 2790, 3142, 3348, 4185, 4713, 5022, 5580, 6284, 7855, 8370, 9426, 10044, 12555, 14139, 15710, 16740, 18852, 23565, 25110, 28278, 31420, 42417, 47130, 48701, 50220, 56556, 70695, 84834, 94260, 97402, 127251, 141390, 146103, 169668, 194804, 212085, 243505, 254502, 282780, 292206, 424170, 438309, 487010, 509004, 584412, 636255, 730515, 848340, 876618, 974020, 1272510, 1314927, 1461030, 1753236, 2191545, 2545020, 2629854, 2922060, 3944781, 4383090, 5259708, 6574635, 7889562, 8766180, 13149270, 15779124, 19723905, 26298540, 39447810, 78895620]

約数ペア:

[(1, 78895620), (2, 39447810), (3, 26298540), (4, 19723905), (5, 15779124), (6, 13149270), (9, 8766180), (10, 7889562), (12, 6574635), (15, 5259708), (18, 4383090), (20, 3944781), (27, 2922060), (30, 2629854), (31, 2545020), (36, 2191545), (45, 1753236), (54, 1461030), (60, 1314927), (62, 1272510), (81, 974020), (90, 876618), (93, 848340), (108, 730515), (124, 636255), (135, 584412), (155, 509004), (162, 487010), (180, 438309), (186, 424170), (270, 292206), (279, 282780), (310, 254502), (324, 243505), (372, 212085), (405, 194804), (465, 169668), (540, 146103), (558, 141390), (620, 127251), (810, 97402), (837, 94260), (930, 84834), (1116, 70695), (1395, 56556), (1571, 50220), (1620, 48701), (1674, 47130), (1860, 42417), (2511, 31420), (2790, 28278), (3142, 25110), (3348, 23565), (4185, 18852), (4713, 16740), (5022, 15710), (5580, 14139), (6284, 12555), (7855, 10044), (8370, 9426)]