15678505180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{69233}}^1$

素因数の和:69335

約数の個数: 72

約数和(自身を含む): 36185011632

約数和(自身を除く): 20506506452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 169, 260, 268, 335, 338, 670, 676, 845, 871, 1340, 1690, 1742, 3380, 3484, 4355, 8710, 11323, 17420, 22646, 45292, 56615, 69233, 113230, 138466, 226460, 276932, 346165, 692330, 900029, 1384660, 1800058, 3600116, 4500145, 4638611, 9000290, 9277222, 11700377, 18000580, 18554444, 23193055, 23400754, 46386110, 46801508, 58501885, 60301943, 92772220, 117003770, 120603886, 234007540, 241207772, 301509715, 603019430, 783925259, 1206038860, 1567850518, 3135701036, 3919626295, 7839252590, 15678505180]

約数ペア:

[(1, 15678505180), (2, 7839252590), (4, 3919626295), (5, 3135701036), (10, 1567850518), (13, 1206038860), (20, 783925259), (26, 603019430), (52, 301509715), (65, 241207772), (67, 234007540), (130, 120603886), (134, 117003770), (169, 92772220), (260, 60301943), (268, 58501885), (335, 46801508), (338, 46386110), (670, 23400754), (676, 23193055), (845, 18554444), (871, 18000580), (1340, 11700377), (1690, 9277222), (1742, 9000290), (3380, 4638611), (3484, 4500145), (4355, 3600116), (8710, 1800058), (11323, 1384660), (17420, 900029), (22646, 692330), (45292, 346165), (56615, 276932), (69233, 226460), (113230, 138466)]