1268353880

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 2885500800

約数和(自身を除く): 1617146920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 239, 362, 478, 724, 733, 905, 956, 1195, 1448, 1466, 1810, 1912, 2390, 2932, 3620, 3665, 4780, 5864, 7240, 7330, 9560, 14660, 29320, 43259, 86518, 132673, 173036, 175187, 216295, 265346, 346072, 350374, 432590, 530692, 663365, 700748, 865180, 875935, 1061384, 1326730, 1401496, 1730360, 1751870, 2653460, 3503740, 5306920, 7007480, 31708847, 63417694, 126835388, 158544235, 253670776, 317088470, 634176940, 1268353880]

約数ペア:

[(1, 1268353880), (2, 634176940), (4, 317088470), (5, 253670776), (8, 158544235), (10, 126835388), (20, 63417694), (40, 31708847), (181, 7007480), (239, 5306920), (362, 3503740), (478, 2653460), (724, 1751870), (733, 1730360), (905, 1401496), (956, 1326730), (1195, 1061384), (1448, 875935), (1466, 865180), (1810, 700748), (1912, 663365), (2390, 530692), (2932, 432590), (3620, 350374), (3665, 346072), (4780, 265346), (5864, 216295), (7240, 175187), (7330, 173036), (9560, 132673), (14660, 86518), (29320, 43259)]