15698620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 39012624

約数和(自身を除く): 23314004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 193, 196, 245, 332, 386, 415, 490, 581, 772, 830, 965, 980, 1162, 1351, 1660, 1930, 2324, 2702, 2905, 3860, 4067, 5404, 5810, 6755, 8134, 9457, 11620, 13510, 16019, 16268, 18914, 20335, 27020, 32038, 37828, 40670, 47285, 64076, 80095, 81340, 94570, 112133, 160190, 189140, 224266, 320380, 448532, 560665, 784931, 1121330, 1569862, 2242660, 3139724, 3924655, 7849310, 15698620]

約数ペア:

[(1, 15698620), (2, 7849310), (4, 3924655), (5, 3139724), (7, 2242660), (10, 1569862), (14, 1121330), (20, 784931), (28, 560665), (35, 448532), (49, 320380), (70, 224266), (83, 189140), (98, 160190), (140, 112133), (166, 94570), (193, 81340), (196, 80095), (245, 64076), (332, 47285), (386, 40670), (415, 37828), (490, 32038), (581, 27020), (772, 20335), (830, 18914), (965, 16268), (980, 16019), (1162, 13510), (1351, 11620), (1660, 9457), (1930, 8134), (2324, 6755), (2702, 5810), (2905, 5404), (3860, 4067)]