131062760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 311947200

約数和(自身を除く): 180884440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 331, 380, 521, 662, 760, 1042, 1324, 1655, 2084, 2605, 2648, 3310, 4168, 5210, 6289, 6620, 9899, 10420, 12578, 13240, 19798, 20840, 25156, 31445, 39596, 49495, 50312, 62890, 79192, 98990, 125780, 172451, 197980, 251560, 344902, 395960, 689804, 862255, 1379608, 1724510, 3276569, 3449020, 6553138, 6898040, 13106276, 16382845, 26212552, 32765690, 65531380, 131062760]

約数ペア:

[(1, 131062760), (2, 65531380), (4, 32765690), (5, 26212552), (8, 16382845), (10, 13106276), (19, 6898040), (20, 6553138), (38, 3449020), (40, 3276569), (76, 1724510), (95, 1379608), (152, 862255), (190, 689804), (331, 395960), (380, 344902), (521, 251560), (662, 197980), (760, 172451), (1042, 125780), (1324, 98990), (1655, 79192), (2084, 62890), (2605, 50312), (2648, 49495), (3310, 39596), (4168, 31445), (5210, 25156), (6289, 20840), (6620, 19798), (9899, 13240), (10420, 12578)]