81530010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4253}}^1$

素因数の和:4340

約数の個数: 64

約数和(自身を含む): 220527360

約数和(自身を除く): 138997350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 4253, 6390, 8506, 9585, 12759, 19170, 21265, 25518, 38277, 42530, 63795, 76554, 114831, 127590, 191385, 229662, 301963, 382770, 574155, 603926, 905889, 1148310, 1509815, 1811778, 2717667, 3019630, 4529445, 5435334, 8153001, 9058890, 13588335, 16306002, 27176670, 40765005, 81530010]

約数ペア:

[(1, 81530010), (2, 40765005), (3, 27176670), (5, 16306002), (6, 13588335), (9, 9058890), (10, 8153001), (15, 5435334), (18, 4529445), (27, 3019630), (30, 2717667), (45, 1811778), (54, 1509815), (71, 1148310), (90, 905889), (135, 603926), (142, 574155), (213, 382770), (270, 301963), (355, 229662), (426, 191385), (639, 127590), (710, 114831), (1065, 76554), (1278, 63795), (1917, 42530), (2130, 38277), (3195, 25518), (3834, 21265), (4253, 19170), (6390, 12759), (8506, 9585)]