65521980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1896

約数の個数: 96

約数和(自身を含む): 207002880

約数和(自身を除く): 141480900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 90, 108, 134, 135, 180, 201, 268, 270, 335, 402, 540, 603, 670, 804, 1005, 1206, 1340, 1809, 1811, 2010, 2412, 3015, 3618, 3622, 4020, 5433, 6030, 7236, 7244, 9045, 9055, 10866, 12060, 16299, 18090, 18110, 21732, 27165, 32598, 36180, 36220, 48897, 54330, 65196, 81495, 97794, 108660, 121337, 162990, 195588, 242674, 244485, 325980, 364011, 485348, 488970, 606685, 728022, 977940, 1092033, 1213370, 1456044, 1820055, 2184066, 2426740, 3276099, 3640110, 4368132, 5460165, 6552198, 7280220, 10920330, 13104396, 16380495, 21840660, 32760990, 65521980]

約数ペア:

[(1, 65521980), (2, 32760990), (3, 21840660), (4, 16380495), (5, 13104396), (6, 10920330), (9, 7280220), (10, 6552198), (12, 5460165), (15, 4368132), (18, 3640110), (20, 3276099), (27, 2426740), (30, 2184066), (36, 1820055), (45, 1456044), (54, 1213370), (60, 1092033), (67, 977940), (90, 728022), (108, 606685), (134, 488970), (135, 485348), (180, 364011), (201, 325980), (268, 244485), (270, 242674), (335, 195588), (402, 162990), (540, 121337), (603, 108660), (670, 97794), (804, 81495), (1005, 65196), (1206, 54330), (1340, 48897), (1809, 36220), (1811, 36180), (2010, 32598), (2412, 27165), (3015, 21732), (3618, 18110), (3622, 18090), (4020, 16299), (5433, 12060), (6030, 10866), (7236, 9055), (7244, 9045)]