80878812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 220784256

約数和(自身を除く): 139905444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 263, 294, 523, 526, 588, 789, 1046, 1052, 1569, 1578, 1841, 2092, 3138, 3156, 3661, 3682, 5523, 6276, 7322, 7364, 10983, 11046, 12887, 14644, 21966, 22092, 25627, 25774, 38661, 43932, 51254, 51548, 76881, 77322, 102508, 137549, 153762, 154644, 275098, 307524, 412647, 550196, 825294, 962843, 1650588, 1925686, 2888529, 3851372, 5777058, 6739901, 11554116, 13479802, 20219703, 26959604, 40439406, 80878812]

約数ペア:

[(1, 80878812), (2, 40439406), (3, 26959604), (4, 20219703), (6, 13479802), (7, 11554116), (12, 6739901), (14, 5777058), (21, 3851372), (28, 2888529), (42, 1925686), (49, 1650588), (84, 962843), (98, 825294), (147, 550196), (196, 412647), (263, 307524), (294, 275098), (523, 154644), (526, 153762), (588, 137549), (789, 102508), (1046, 77322), (1052, 76881), (1569, 51548), (1578, 51254), (1841, 43932), (2092, 38661), (3138, 25774), (3156, 25627), (3661, 22092), (3682, 21966), (5523, 14644), (6276, 12887), (7322, 11046), (7364, 10983)]