68866840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{587}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 108944360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 587, 838, 1174, 1676, 2095, 2348, 2933, 2935, 3352, 4109, 4190, 4696, 5866, 5870, 8218, 8380, 11732, 11740, 14665, 16436, 16760, 20545, 23464, 23480, 29330, 32872, 41090, 58660, 82180, 117320, 164360, 245953, 491906, 983812, 1229765, 1721671, 1967624, 2459530, 3443342, 4919060, 6886684, 8608355, 9838120, 13773368, 17216710, 34433420, 68866840]

約数ペア:

[(1, 68866840), (2, 34433420), (4, 17216710), (5, 13773368), (7, 9838120), (8, 8608355), (10, 6886684), (14, 4919060), (20, 3443342), (28, 2459530), (35, 1967624), (40, 1721671), (56, 1229765), (70, 983812), (140, 491906), (280, 245953), (419, 164360), (587, 117320), (838, 82180), (1174, 58660), (1676, 41090), (2095, 32872), (2348, 29330), (2933, 23480), (2935, 23464), (3352, 20545), (4109, 16760), (4190, 16436), (4696, 14665), (5866, 11740), (5870, 11732), (8218, 8380)]