213996840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25117}}^1$

素因数の和:25202

約数の個数: 64

約数和(自身を含む): 651058560

約数和(自身を除く): 437061720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25117, 50234, 75351, 100468, 125585, 150702, 200936, 251170, 301404, 376755, 502340, 602808, 753510, 1004680, 1507020, 1783307, 3014040, 3566614, 5349921, 7133228, 8916535, 10699842, 14266456, 17833070, 21399684, 26749605, 35666140, 42799368, 53499210, 71332280, 106998420, 213996840]

約数ペア:

[(1, 213996840), (2, 106998420), (3, 71332280), (4, 53499210), (5, 42799368), (6, 35666140), (8, 26749605), (10, 21399684), (12, 17833070), (15, 14266456), (20, 10699842), (24, 8916535), (30, 7133228), (40, 5349921), (60, 3566614), (71, 3014040), (120, 1783307), (142, 1507020), (213, 1004680), (284, 753510), (355, 602808), (426, 502340), (568, 376755), (710, 301404), (852, 251170), (1065, 200936), (1420, 150702), (1704, 125585), (2130, 100468), (2840, 75351), (4260, 50234), (8520, 25117)]