78219450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1721}}^1$

素因数の和:1840

約数の個数: 72

約数和(自身を含む): 212353596

約数和(自身を除く): 134134146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 450, 505, 606, 909, 1010, 1515, 1721, 1818, 2525, 3030, 3442, 4545, 5050, 5163, 7575, 8605, 9090, 10326, 15150, 15489, 17210, 22725, 25815, 30978, 43025, 45450, 51630, 77445, 86050, 129075, 154890, 173821, 258150, 347642, 387225, 521463, 774450, 869105, 1042926, 1564389, 1738210, 2607315, 3128778, 4345525, 5214630, 7821945, 8691050, 13036575, 15643890, 26073150, 39109725, 78219450]

約数ペア:

[(1, 78219450), (2, 39109725), (3, 26073150), (5, 15643890), (6, 13036575), (9, 8691050), (10, 7821945), (15, 5214630), (18, 4345525), (25, 3128778), (30, 2607315), (45, 1738210), (50, 1564389), (75, 1042926), (90, 869105), (101, 774450), (150, 521463), (202, 387225), (225, 347642), (303, 258150), (450, 173821), (505, 154890), (606, 129075), (909, 86050), (1010, 77445), (1515, 51630), (1721, 45450), (1818, 43025), (2525, 30978), (3030, 25815), (3442, 22725), (4545, 17210), (5050, 15489), (5163, 15150), (7575, 10326), (8605, 9090)]