64927620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15683}}^1$

素因数の和:15721

約数の個数: 72

約数和(自身を含む): 205523136

約数和(自身を除く): 140595516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 15683, 31366, 47049, 62732, 78415, 94098, 141147, 156830, 188196, 235245, 282294, 313660, 360709, 470490, 564588, 705735, 721418, 940980, 1082127, 1411470, 1442836, 1803545, 2164254, 2822940, 3246381, 3607090, 4328508, 5410635, 6492762, 7214180, 10821270, 12985524, 16231905, 21642540, 32463810, 64927620]

約数ペア:

[(1, 64927620), (2, 32463810), (3, 21642540), (4, 16231905), (5, 12985524), (6, 10821270), (9, 7214180), (10, 6492762), (12, 5410635), (15, 4328508), (18, 3607090), (20, 3246381), (23, 2822940), (30, 2164254), (36, 1803545), (45, 1442836), (46, 1411470), (60, 1082127), (69, 940980), (90, 721418), (92, 705735), (115, 564588), (138, 470490), (180, 360709), (207, 313660), (230, 282294), (276, 235245), (345, 188196), (414, 156830), (460, 141147), (690, 94098), (828, 78415), (1035, 62732), (1380, 47049), (2070, 31366), (4140, 15683)]