31649040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 107504280

約数和(自身を除く): 75855240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 360, 389, 452, 565, 678, 720, 778, 904, 1017, 1130, 1167, 1356, 1556, 1695, 1808, 1945, 2034, 2260, 2334, 2712, 3112, 3390, 3501, 3890, 4068, 4520, 4668, 5085, 5424, 5835, 6224, 6780, 7002, 7780, 8136, 9040, 9336, 10170, 11670, 13560, 14004, 15560, 16272, 17505, 18672, 20340, 23340, 27120, 28008, 31120, 35010, 40680, 43957, 46680, 56016, 70020, 81360, 87914, 93360, 131871, 140040, 175828, 219785, 263742, 280080, 351656, 395613, 439570, 527484, 659355, 703312, 791226, 879140, 1054968, 1318710, 1582452, 1758280, 1978065, 2109936, 2637420, 3164904, 3516560, 3956130, 5274840, 6329808, 7912260, 10549680, 15824520, 31649040]

約数ペア:

[(1, 31649040), (2, 15824520), (3, 10549680), (4, 7912260), (5, 6329808), (6, 5274840), (8, 3956130), (9, 3516560), (10, 3164904), (12, 2637420), (15, 2109936), (16, 1978065), (18, 1758280), (20, 1582452), (24, 1318710), (30, 1054968), (36, 879140), (40, 791226), (45, 703312), (48, 659355), (60, 527484), (72, 439570), (80, 395613), (90, 351656), (113, 280080), (120, 263742), (144, 219785), (180, 175828), (226, 140040), (240, 131871), (339, 93360), (360, 87914), (389, 81360), (452, 70020), (565, 56016), (678, 46680), (720, 43957), (778, 40680), (904, 35010), (1017, 31120), (1130, 28008), (1167, 27120), (1356, 23340), (1556, 20340), (1695, 18672), (1808, 17505), (1945, 16272), (2034, 15560), (2260, 14004), (2334, 13560), (2712, 11670), (3112, 10170), (3390, 9336), (3501, 9040), (3890, 8136), (4068, 7780), (4520, 7002), (4668, 6780), (5085, 6224), (5424, 5835)]