77680620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47951}}^1$

素因数の和:47972

約数の個数: 60

約数和(自身を含む): 243692064

約数和(自身を除く): 166011444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 47951, 95902, 143853, 191804, 239755, 287706, 431559, 479510, 575412, 719265, 863118, 959020, 1294677, 1438530, 1726236, 2157795, 2589354, 2877060, 3884031, 4315590, 5178708, 6473385, 7768062, 8631180, 12946770, 15536124, 19420155, 25893540, 38840310, 77680620]

約数ペア:

[(1, 77680620), (2, 38840310), (3, 25893540), (4, 19420155), (5, 15536124), (6, 12946770), (9, 8631180), (10, 7768062), (12, 6473385), (15, 5178708), (18, 4315590), (20, 3884031), (27, 2877060), (30, 2589354), (36, 2157795), (45, 1726236), (54, 1438530), (60, 1294677), (81, 959020), (90, 863118), (108, 719265), (135, 575412), (162, 479510), (180, 431559), (270, 287706), (324, 239755), (405, 191804), (540, 143853), (810, 95902), (1620, 47951)]