31993680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 68178480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1223, 1308, 1635, 1744, 2180, 2446, 2616, 3270, 3669, 4360, 4892, 5232, 6115, 6540, 7338, 8720, 9784, 12230, 13080, 14676, 18345, 19568, 24460, 26160, 29352, 36690, 48920, 58704, 73380, 97840, 133307, 146760, 266614, 293520, 399921, 533228, 666535, 799842, 1066456, 1333070, 1599684, 1999605, 2132912, 2666140, 3199368, 3999210, 5332280, 6398736, 7998420, 10664560, 15996840, 31993680]

約数ペア:

[(1, 31993680), (2, 15996840), (3, 10664560), (4, 7998420), (5, 6398736), (6, 5332280), (8, 3999210), (10, 3199368), (12, 2666140), (15, 2132912), (16, 1999605), (20, 1599684), (24, 1333070), (30, 1066456), (40, 799842), (48, 666535), (60, 533228), (80, 399921), (109, 293520), (120, 266614), (218, 146760), (240, 133307), (327, 97840), (436, 73380), (545, 58704), (654, 48920), (872, 36690), (1090, 29352), (1223, 26160), (1308, 24460), (1635, 19568), (1744, 18345), (2180, 14676), (2446, 13080), (2616, 12230), (3270, 9784), (3669, 8720), (4360, 7338), (4892, 6540), (5232, 6115)]