81224928

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2184

約数の個数: 72

約数和(自身を含む): 232759800

約数和(自身を除く): 151534872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 556, 834, 1112, 1251, 1668, 2029, 2224, 2502, 3336, 4058, 4448, 5004, 6087, 6672, 8116, 10008, 12174, 13344, 16232, 18261, 20016, 24348, 32464, 36522, 40032, 48696, 64928, 73044, 97392, 146088, 194784, 282031, 292176, 564062, 584352, 846093, 1128124, 1692186, 2256248, 2538279, 3384372, 4512496, 5076558, 6768744, 9024992, 10153116, 13537488, 20306232, 27074976, 40612464, 81224928]

約数ペア:

[(1, 81224928), (2, 40612464), (3, 27074976), (4, 20306232), (6, 13537488), (8, 10153116), (9, 9024992), (12, 6768744), (16, 5076558), (18, 4512496), (24, 3384372), (32, 2538279), (36, 2256248), (48, 1692186), (72, 1128124), (96, 846093), (139, 584352), (144, 564062), (278, 292176), (288, 282031), (417, 194784), (556, 146088), (834, 97392), (1112, 73044), (1251, 64928), (1668, 48696), (2029, 40032), (2224, 36522), (2502, 32464), (3336, 24348), (4058, 20016), (4448, 18261), (5004, 16232), (6087, 13344), (6672, 12174), (8116, 10008)]