2420005965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1597}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 4402809600

約数和(自身を除く): 1982803635

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 409, 741, 1227, 1235, 1597, 2045, 3705, 4791, 5317, 6135, 7771, 7985, 15951, 20761, 23313, 23955, 26585, 30343, 38855, 62283, 79755, 91029, 101023, 103805, 116565, 151715, 303069, 311415, 394459, 455145, 505115, 653173, 1183377, 1515345, 1959519, 1972295, 3265865, 5916885, 8491249, 9797595, 12410287, 25473747, 37230861, 42456245, 62051435, 127368735, 161333731, 186154305, 484001193, 806668655, 2420005965]

約数ペア:

[(1, 2420005965), (3, 806668655), (5, 484001193), (13, 186154305), (15, 161333731), (19, 127368735), (39, 62051435), (57, 42456245), (65, 37230861), (95, 25473747), (195, 12410287), (247, 9797595), (285, 8491249), (409, 5916885), (741, 3265865), (1227, 1972295), (1235, 1959519), (1597, 1515345), (2045, 1183377), (3705, 653173), (4791, 505115), (5317, 455145), (6135, 394459), (7771, 311415), (7985, 303069), (15951, 151715), (20761, 116565), (23313, 103805), (23955, 101023), (26585, 91029), (30343, 79755), (38855, 62283)]