26580120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31643}}^1$

素因数の和:31664

約数の個数: 64

約数和(自身を含む): 91134720

約数和(自身を除く): 64554600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 31643, 63286, 94929, 126572, 158215, 189858, 221501, 253144, 316430, 379716, 443002, 474645, 632860, 664503, 759432, 886004, 949290, 1107505, 1265720, 1329006, 1772008, 1898580, 2215010, 2658012, 3322515, 3797160, 4430020, 5316024, 6645030, 8860040, 13290060, 26580120]

約数ペア:

[(1, 26580120), (2, 13290060), (3, 8860040), (4, 6645030), (5, 5316024), (6, 4430020), (7, 3797160), (8, 3322515), (10, 2658012), (12, 2215010), (14, 1898580), (15, 1772008), (20, 1329006), (21, 1265720), (24, 1107505), (28, 949290), (30, 886004), (35, 759432), (40, 664503), (42, 632860), (56, 474645), (60, 443002), (70, 379716), (84, 316430), (105, 253144), (120, 221501), (140, 189858), (168, 158215), (210, 126572), (280, 94929), (420, 63286), (840, 31643)]