81944928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 257297040

約数和(自身を除く): 175352112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 468, 509, 516, 559, 624, 688, 774, 936, 1018, 1032, 1118, 1248, 1376, 1527, 1548, 1677, 1872, 2036, 2064, 2236, 3054, 3096, 3354, 3744, 4072, 4128, 4472, 4581, 5031, 6108, 6192, 6617, 6708, 8144, 8944, 9162, 10062, 12216, 12384, 13234, 13416, 16288, 17888, 18324, 19851, 20124, 21887, 24432, 26468, 26832, 36648, 39702, 40248, 43774, 48864, 52936, 53664, 59553, 65661, 73296, 79404, 80496, 87548, 105872, 119106, 131322, 146592, 158808, 160992, 175096, 196983, 211744, 238212, 262644, 284531, 317616, 350192, 393966, 476424, 525288, 569062, 635232, 700384, 787932, 853593, 952848, 1050576, 1138124, 1575864, 1707186, 1905696, 2101152, 2276248, 2560779, 3151728, 3414372, 4552496, 5121558, 6303456, 6828744, 9104992, 10243116, 13657488, 20486232, 27314976, 40972464, 81944928]

約数ペア:

[(1, 81944928), (2, 40972464), (3, 27314976), (4, 20486232), (6, 13657488), (8, 10243116), (9, 9104992), (12, 6828744), (13, 6303456), (16, 5121558), (18, 4552496), (24, 3414372), (26, 3151728), (32, 2560779), (36, 2276248), (39, 2101152), (43, 1905696), (48, 1707186), (52, 1575864), (72, 1138124), (78, 1050576), (86, 952848), (96, 853593), (104, 787932), (117, 700384), (129, 635232), (144, 569062), (156, 525288), (172, 476424), (208, 393966), (234, 350192), (258, 317616), (288, 284531), (312, 262644), (344, 238212), (387, 211744), (416, 196983), (468, 175096), (509, 160992), (516, 158808), (559, 146592), (624, 131322), (688, 119106), (774, 105872), (936, 87548), (1018, 80496), (1032, 79404), (1118, 73296), (1248, 65661), (1376, 59553), (1527, 53664), (1548, 52936), (1677, 48864), (1872, 43774), (2036, 40248), (2064, 39702), (2236, 36648), (3054, 26832), (3096, 26468), (3354, 24432), (3744, 21887), (4072, 20124), (4128, 19851), (4472, 18324), (4581, 17888), (5031, 16288), (6108, 13416), (6192, 13234), (6617, 12384), (6708, 12216), (8144, 10062), (8944, 9162)]