68771220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163741}}^1$

素因数の和:163760

約数の個数: 48

約数和(自身を含む): 220069248

約数和(自身を除く): 151298028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163741, 327482, 491223, 654964, 818705, 982446, 1146187, 1637410, 1964892, 2292374, 2456115, 3274820, 3438561, 4584748, 4912230, 5730935, 6877122, 9824460, 11461870, 13754244, 17192805, 22923740, 34385610, 68771220]

約数ペア:

[(1, 68771220), (2, 34385610), (3, 22923740), (4, 17192805), (5, 13754244), (6, 11461870), (7, 9824460), (10, 6877122), (12, 5730935), (14, 4912230), (15, 4584748), (20, 3438561), (21, 3274820), (28, 2456115), (30, 2292374), (35, 1964892), (42, 1637410), (60, 1146187), (70, 982446), (84, 818705), (105, 654964), (140, 491223), (210, 327482), (420, 163741)]