70509080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 164073600

約数和(自身を除く): 93564520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 421, 424, 530, 632, 790, 842, 1060, 1580, 1684, 2105, 2120, 3160, 3368, 4187, 4210, 8374, 8420, 16748, 16840, 20935, 22313, 33259, 33496, 41870, 44626, 66518, 83740, 89252, 111565, 133036, 166295, 167480, 178504, 223130, 266072, 332590, 446260, 665180, 892520, 1330360, 1762727, 3525454, 7050908, 8813635, 14101816, 17627270, 35254540, 70509080]

約数ペア:

[(1, 70509080), (2, 35254540), (4, 17627270), (5, 14101816), (8, 8813635), (10, 7050908), (20, 3525454), (40, 1762727), (53, 1330360), (79, 892520), (106, 665180), (158, 446260), (212, 332590), (265, 266072), (316, 223130), (395, 178504), (421, 167480), (424, 166295), (530, 133036), (632, 111565), (790, 89252), (842, 83740), (1060, 66518), (1580, 44626), (1684, 41870), (2105, 33496), (2120, 33259), (3160, 22313), (3368, 20935), (4187, 16840), (4210, 16748), (8374, 8420)]