81320688

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18217}}^1$

素因数の和:18262

約数の個数: 60

約数和(自身を含む): 234939328

約数和(自身を除く): 153618640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 18217, 36434, 54651, 72868, 109302, 145736, 163953, 218604, 291472, 327906, 437208, 564727, 655812, 874416, 1129454, 1311624, 1694181, 2258908, 2623248, 3388362, 4517816, 5082543, 6776724, 9035632, 10165086, 13553448, 20330172, 27106896, 40660344, 81320688]

約数ペア:

[(1, 81320688), (2, 40660344), (3, 27106896), (4, 20330172), (6, 13553448), (8, 10165086), (9, 9035632), (12, 6776724), (16, 5082543), (18, 4517816), (24, 3388362), (31, 2623248), (36, 2258908), (48, 1694181), (62, 1311624), (72, 1129454), (93, 874416), (124, 655812), (144, 564727), (186, 437208), (248, 327906), (279, 291472), (372, 218604), (496, 163953), (558, 145736), (744, 109302), (1116, 72868), (1488, 54651), (2232, 36434), (4464, 18217)]