65471220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:742

約数の個数: 96

約数和(自身を含む): 204906240

約数和(自身を除く): 139435020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 263, 270, 461, 526, 540, 789, 922, 1052, 1315, 1383, 1578, 1844, 2305, 2367, 2630, 2766, 3156, 3945, 4149, 4610, 4734, 5260, 5532, 6915, 7101, 7890, 8298, 9220, 9468, 11835, 12447, 13830, 14202, 15780, 16596, 20745, 23670, 24894, 27660, 28404, 35505, 41490, 47340, 49788, 62235, 71010, 82980, 121243, 124470, 142020, 242486, 248940, 363729, 484972, 606215, 727458, 1091187, 1212430, 1454916, 1818645, 2182374, 2424860, 3273561, 3637290, 4364748, 5455935, 6547122, 7274580, 10911870, 13094244, 16367805, 21823740, 32735610, 65471220]

約数ペア:

[(1, 65471220), (2, 32735610), (3, 21823740), (4, 16367805), (5, 13094244), (6, 10911870), (9, 7274580), (10, 6547122), (12, 5455935), (15, 4364748), (18, 3637290), (20, 3273561), (27, 2424860), (30, 2182374), (36, 1818645), (45, 1454916), (54, 1212430), (60, 1091187), (90, 727458), (108, 606215), (135, 484972), (180, 363729), (263, 248940), (270, 242486), (461, 142020), (526, 124470), (540, 121243), (789, 82980), (922, 71010), (1052, 62235), (1315, 49788), (1383, 47340), (1578, 41490), (1844, 35505), (2305, 28404), (2367, 27660), (2630, 24894), (2766, 23670), (3156, 20745), (3945, 16596), (4149, 15780), (4610, 14202), (4734, 13830), (5260, 12447), (5532, 11835), (6915, 9468), (7101, 9220), (7890, 8298)]