31643280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 120

約数和(自身を含む): 107939520

約数和(自身を除く): 76296240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 619, 639, 710, 720, 852, 1065, 1136, 1238, 1278, 1420, 1704, 1857, 2130, 2476, 2556, 2840, 3095, 3195, 3408, 3714, 4260, 4952, 5112, 5571, 5680, 6190, 6390, 7428, 8520, 9285, 9904, 10224, 11142, 12380, 12780, 14856, 17040, 18570, 22284, 24760, 25560, 27855, 29712, 37140, 43949, 44568, 49520, 51120, 55710, 74280, 87898, 89136, 111420, 131847, 148560, 175796, 219745, 222840, 263694, 351592, 395541, 439490, 445680, 527388, 659235, 703184, 791082, 878980, 1054776, 1318470, 1582164, 1757960, 1977705, 2109552, 2636940, 3164328, 3515920, 3955410, 5273880, 6328656, 7910820, 10547760, 15821640, 31643280]

約数ペア:

[(1, 31643280), (2, 15821640), (3, 10547760), (4, 7910820), (5, 6328656), (6, 5273880), (8, 3955410), (9, 3515920), (10, 3164328), (12, 2636940), (15, 2109552), (16, 1977705), (18, 1757960), (20, 1582164), (24, 1318470), (30, 1054776), (36, 878980), (40, 791082), (45, 703184), (48, 659235), (60, 527388), (71, 445680), (72, 439490), (80, 395541), (90, 351592), (120, 263694), (142, 222840), (144, 219745), (180, 175796), (213, 148560), (240, 131847), (284, 111420), (355, 89136), (360, 87898), (426, 74280), (568, 55710), (619, 51120), (639, 49520), (710, 44568), (720, 43949), (852, 37140), (1065, 29712), (1136, 27855), (1238, 25560), (1278, 24760), (1420, 22284), (1704, 18570), (1857, 17040), (2130, 14856), (2476, 12780), (2556, 12380), (2840, 11142), (3095, 10224), (3195, 9904), (3408, 9285), (3714, 8520), (4260, 7428), (4952, 6390), (5112, 6190), (5571, 5680)]