68644520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4019}}^1$

素因数の和:4098

約数の個数: 64

約数和(自身を含む): 179452800

約数和(自身を除く): 110808280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4019, 4270, 8038, 8540, 16076, 17080, 20095, 28133, 32152, 40190, 56266, 80380, 112532, 140665, 160760, 225064, 245159, 281330, 490318, 562660, 980636, 1125320, 1225795, 1716113, 1961272, 2451590, 3432226, 4903180, 6864452, 8580565, 9806360, 13728904, 17161130, 34322260, 68644520]

約数ペア:

[(1, 68644520), (2, 34322260), (4, 17161130), (5, 13728904), (7, 9806360), (8, 8580565), (10, 6864452), (14, 4903180), (20, 3432226), (28, 2451590), (35, 1961272), (40, 1716113), (56, 1225795), (61, 1125320), (70, 980636), (122, 562660), (140, 490318), (244, 281330), (280, 245159), (305, 225064), (427, 160760), (488, 140665), (610, 112532), (854, 80380), (1220, 56266), (1708, 40190), (2135, 32152), (2440, 28133), (3416, 20095), (4019, 17080), (4270, 16076), (8038, 8540)]