320499608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{997}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 709218720

約数和(自身を除く): 388719112

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 281, 286, 562, 572, 997, 1124, 1144, 1994, 2248, 3091, 3653, 3988, 6182, 7306, 7976, 10967, 12364, 12961, 14612, 21934, 24728, 25922, 29224, 40183, 43868, 51844, 80366, 87736, 103688, 142571, 160732, 280157, 285142, 321464, 560314, 570284, 1120628, 1140568, 2241256, 3081727, 3642041, 6163454, 7284082, 12326908, 14568164, 24653816, 29136328, 40062451, 80124902, 160249804, 320499608]

約数ペア:

[(1, 320499608), (2, 160249804), (4, 80124902), (8, 40062451), (11, 29136328), (13, 24653816), (22, 14568164), (26, 12326908), (44, 7284082), (52, 6163454), (88, 3642041), (104, 3081727), (143, 2241256), (281, 1140568), (286, 1120628), (562, 570284), (572, 560314), (997, 321464), (1124, 285142), (1144, 280157), (1994, 160732), (2248, 142571), (3091, 103688), (3653, 87736), (3988, 80366), (6182, 51844), (7306, 43868), (7976, 40183), (10967, 29224), (12364, 25922), (12961, 24728), (14612, 21934)]