31228920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 102211200

約数和(自身を除く): 70982280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 223, 360, 389, 446, 669, 778, 892, 1115, 1167, 1338, 1556, 1784, 1945, 2007, 2230, 2334, 2676, 3112, 3345, 3501, 3890, 4014, 4460, 4668, 5352, 5835, 6690, 7002, 7780, 8028, 8920, 9336, 10035, 11670, 13380, 14004, 15560, 16056, 17505, 20070, 23340, 26760, 28008, 35010, 40140, 46680, 70020, 80280, 86747, 140040, 173494, 260241, 346988, 433735, 520482, 693976, 780723, 867470, 1040964, 1301205, 1561446, 1734940, 2081928, 2602410, 3122892, 3469880, 3903615, 5204820, 6245784, 7807230, 10409640, 15614460, 31228920]

約数ペア:

[(1, 31228920), (2, 15614460), (3, 10409640), (4, 7807230), (5, 6245784), (6, 5204820), (8, 3903615), (9, 3469880), (10, 3122892), (12, 2602410), (15, 2081928), (18, 1734940), (20, 1561446), (24, 1301205), (30, 1040964), (36, 867470), (40, 780723), (45, 693976), (60, 520482), (72, 433735), (90, 346988), (120, 260241), (180, 173494), (223, 140040), (360, 86747), (389, 80280), (446, 70020), (669, 46680), (778, 40140), (892, 35010), (1115, 28008), (1167, 26760), (1338, 23340), (1556, 20070), (1784, 17505), (1945, 16056), (2007, 15560), (2230, 14004), (2334, 13380), (2676, 11670), (3112, 10035), (3345, 9336), (3501, 8920), (3890, 8028), (4014, 7780), (4460, 7002), (4668, 6690), (5352, 5835)]