80901108

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 210810600

約数和(自身を除く): 129909492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 109, 159, 212, 218, 318, 327, 389, 436, 477, 636, 654, 778, 954, 981, 1167, 1308, 1556, 1908, 1962, 2334, 3501, 3924, 4668, 5777, 7002, 11554, 14004, 17331, 20617, 23108, 34662, 41234, 42401, 51993, 61851, 69324, 82468, 84802, 103986, 123702, 127203, 169604, 185553, 207972, 247404, 254406, 371106, 381609, 508812, 742212, 763218, 1526436, 2247253, 4494506, 6741759, 8989012, 13483518, 20225277, 26967036, 40450554, 80901108]

約数ペア:

[(1, 80901108), (2, 40450554), (3, 26967036), (4, 20225277), (6, 13483518), (9, 8989012), (12, 6741759), (18, 4494506), (36, 2247253), (53, 1526436), (106, 763218), (109, 742212), (159, 508812), (212, 381609), (218, 371106), (318, 254406), (327, 247404), (389, 207972), (436, 185553), (477, 169604), (636, 127203), (654, 123702), (778, 103986), (954, 84802), (981, 82468), (1167, 69324), (1308, 61851), (1556, 51993), (1908, 42401), (1962, 41234), (2334, 34662), (3501, 23108), (3924, 20617), (4668, 17331), (5777, 14004), (7002, 11554)]