212445180

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{1619}}^1$

素因数の和:1652

約数の個数: 108

約数和(自身を含む): 669581640

約数和(自身を除く): 457136460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1619, 1620, 2187, 2430, 2916, 3238, 3645, 4374, 4857, 4860, 6476, 6561, 7290, 8095, 8748, 9714, 10935, 13122, 14571, 14580, 16190, 19428, 21870, 24285, 26244, 29142, 32380, 32805, 43713, 43740, 48570, 58284, 65610, 72855, 87426, 97140, 131139, 131220, 145710, 174852, 218565, 262278, 291420, 393417, 437130, 524556, 655695, 786834, 874260, 1180251, 1311390, 1573668, 1967085, 2360502, 2622780, 3540753, 3934170, 4721004, 5901255, 7081506, 7868340, 10622259, 11802510, 14163012, 17703765, 21244518, 23605020, 35407530, 42489036, 53111295, 70815060, 106222590, 212445180]

約数ペア:

[(1, 212445180), (2, 106222590), (3, 70815060), (4, 53111295), (5, 42489036), (6, 35407530), (9, 23605020), (10, 21244518), (12, 17703765), (15, 14163012), (18, 11802510), (20, 10622259), (27, 7868340), (30, 7081506), (36, 5901255), (45, 4721004), (54, 3934170), (60, 3540753), (81, 2622780), (90, 2360502), (108, 1967085), (135, 1573668), (162, 1311390), (180, 1180251), (243, 874260), (270, 786834), (324, 655695), (405, 524556), (486, 437130), (540, 393417), (729, 291420), (810, 262278), (972, 218565), (1215, 174852), (1458, 145710), (1619, 131220), (1620, 131139), (2187, 97140), (2430, 87426), (2916, 72855), (3238, 65610), (3645, 58284), (4374, 48570), (4857, 43740), (4860, 43713), (6476, 32805), (6561, 32380), (7290, 29142), (8095, 26244), (8748, 24285), (9714, 21870), (10935, 19428), (13122, 16190), (14571, 14580)]