64908540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 206125920

約数和(自身を除く): 141217380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 206, 270, 309, 324, 389, 405, 412, 515, 540, 618, 778, 810, 927, 1030, 1167, 1236, 1545, 1556, 1620, 1854, 1945, 2060, 2334, 2781, 3090, 3501, 3708, 3890, 4635, 4668, 5562, 5835, 6180, 7002, 7780, 8343, 9270, 10503, 11124, 11670, 13905, 14004, 16686, 17505, 18540, 21006, 23340, 27810, 31509, 33372, 35010, 40067, 41715, 42012, 52515, 55620, 63018, 70020, 80134, 83430, 105030, 120201, 126036, 157545, 160268, 166860, 200335, 210060, 240402, 315090, 360603, 400670, 480804, 601005, 630180, 721206, 801340, 1081809, 1202010, 1442412, 1803015, 2163618, 2404020, 3245427, 3606030, 4327236, 5409045, 6490854, 7212060, 10818090, 12981708, 16227135, 21636180, 32454270, 64908540]

約数ペア:

[(1, 64908540), (2, 32454270), (3, 21636180), (4, 16227135), (5, 12981708), (6, 10818090), (9, 7212060), (10, 6490854), (12, 5409045), (15, 4327236), (18, 3606030), (20, 3245427), (27, 2404020), (30, 2163618), (36, 1803015), (45, 1442412), (54, 1202010), (60, 1081809), (81, 801340), (90, 721206), (103, 630180), (108, 601005), (135, 480804), (162, 400670), (180, 360603), (206, 315090), (270, 240402), (309, 210060), (324, 200335), (389, 166860), (405, 160268), (412, 157545), (515, 126036), (540, 120201), (618, 105030), (778, 83430), (810, 80134), (927, 70020), (1030, 63018), (1167, 55620), (1236, 52515), (1545, 42012), (1556, 41715), (1620, 40067), (1854, 35010), (1945, 33372), (2060, 31509), (2334, 27810), (2781, 23340), (3090, 21006), (3501, 18540), (3708, 17505), (3890, 16686), (4635, 14004), (4668, 13905), (5562, 11670), (5835, 11124), (6180, 10503), (7002, 9270), (7780, 8343)]