1323201020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{13729}}^1$

素因数の和:13878

約数の個数: 48

約数和(自身を含む): 2860233600

約数和(自身を除く): 1537032580

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 4819, 9638, 13729, 19276, 24095, 27458, 48190, 54916, 68645, 96380, 137290, 274580, 837469, 1084591, 1674938, 2169182, 3349876, 4187345, 4338364, 5422955, 8374690, 10845910, 16749380, 21691820, 66160051, 132320102, 264640204, 330800255, 661600510, 1323201020]

約数ペア:

[(1, 1323201020), (2, 661600510), (4, 330800255), (5, 264640204), (10, 132320102), (20, 66160051), (61, 21691820), (79, 16749380), (122, 10845910), (158, 8374690), (244, 5422955), (305, 4338364), (316, 4187345), (395, 3349876), (610, 2169182), (790, 1674938), (1220, 1084591), (1580, 837469), (4819, 274580), (9638, 137290), (13729, 96380), (19276, 68645), (24095, 54916), (27458, 48190)]