71689020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91909}}^1$

素因数の和:91934

約数の個数: 48

約数和(自身を含む): 216172320

約数和(自身を除く): 144483300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 91909, 183818, 275727, 367636, 459545, 551454, 919090, 1102908, 1194817, 1378635, 1838180, 2389634, 2757270, 3584451, 4779268, 5514540, 5974085, 7168902, 11948170, 14337804, 17922255, 23896340, 35844510, 71689020]

約数ペア:

[(1, 71689020), (2, 35844510), (3, 23896340), (4, 17922255), (5, 14337804), (6, 11948170), (10, 7168902), (12, 5974085), (13, 5514540), (15, 4779268), (20, 3584451), (26, 2757270), (30, 2389634), (39, 1838180), (52, 1378635), (60, 1194817), (65, 1102908), (78, 919090), (130, 551454), (156, 459545), (195, 367636), (260, 275727), (390, 183818), (780, 91909)]