15694736840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{47279}}^1$

素因数の和:47526

約数の個数: 64

約数和(自身を含む): 36322387200

約数和(自身を除く): 20627650360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 386, 430, 772, 860, 965, 1544, 1720, 1930, 3860, 7720, 8299, 16598, 33196, 41495, 47279, 66392, 82990, 94558, 165980, 189116, 236395, 331960, 378232, 472790, 945580, 1891160, 2032997, 4065994, 8131988, 9124847, 10164985, 16263976, 18249694, 20329970, 36499388, 40659940, 45624235, 72998776, 81319880, 91248470, 182496940, 364993880, 392368421, 784736842, 1569473684, 1961842105, 3138947368, 3923684210, 7847368420, 15694736840]

約数ペア:

[(1, 15694736840), (2, 7847368420), (4, 3923684210), (5, 3138947368), (8, 1961842105), (10, 1569473684), (20, 784736842), (40, 392368421), (43, 364993880), (86, 182496940), (172, 91248470), (193, 81319880), (215, 72998776), (344, 45624235), (386, 40659940), (430, 36499388), (772, 20329970), (860, 18249694), (965, 16263976), (1544, 10164985), (1720, 9124847), (1930, 8131988), (3860, 4065994), (7720, 2032997), (8299, 1891160), (16598, 945580), (33196, 472790), (41495, 378232), (47279, 331960), (66392, 236395), (82990, 189116), (94558, 165980)]