81835260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104917}}^1$

素因数の和:104942

約数の個数: 48

約数和(自身を含む): 246767136

約数和(自身を除く): 164931876

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, 104917, 209834, 314751, 419668, 524585, 629502, 1049170, 1259004, 1363921, 1573755, 2098340, 2727842, 3147510, 4091763, 5455684, 6295020, 6819605, 8183526, 13639210, 16367052, 20458815, 27278420, 40917630, 81835260]

約数ペア:

[(1, 81835260), (2, 40917630), (3, 27278420), (4, 20458815), (5, 16367052), (6, 13639210), (10, 8183526), (12, 6819605), (13, 6295020), (15, 5455684), (20, 4091763), (26, 3147510), (30, 2727842), (39, 2098340), (52, 1573755), (60, 1363921), (65, 1259004), (78, 1049170), (130, 629502), (156, 524585), (195, 419668), (260, 314751), (390, 209834), (780, 104917)]