81490032

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 248609088

約数和(自身を除く): 167119056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 101, 104, 117, 144, 156, 202, 208, 234, 303, 312, 404, 431, 468, 606, 624, 808, 862, 909, 936, 1212, 1293, 1313, 1616, 1724, 1818, 1872, 2424, 2586, 2626, 3448, 3636, 3879, 3939, 4848, 5172, 5252, 5603, 6896, 7272, 7758, 7878, 10344, 10504, 11206, 11817, 14544, 15516, 15756, 16809, 20688, 21008, 22412, 23634, 31032, 31512, 33618, 43531, 44824, 47268, 50427, 62064, 63024, 67236, 87062, 89648, 94536, 100854, 130593, 134472, 174124, 189072, 201708, 261186, 268944, 348248, 391779, 403416, 522372, 565903, 696496, 783558, 806832, 1044744, 1131806, 1567116, 1697709, 2089488, 2263612, 3134232, 3395418, 4527224, 5093127, 6268464, 6790836, 9054448, 10186254, 13581672, 20372508, 27163344, 40745016, 81490032]

約数ペア:

[(1, 81490032), (2, 40745016), (3, 27163344), (4, 20372508), (6, 13581672), (8, 10186254), (9, 9054448), (12, 6790836), (13, 6268464), (16, 5093127), (18, 4527224), (24, 3395418), (26, 3134232), (36, 2263612), (39, 2089488), (48, 1697709), (52, 1567116), (72, 1131806), (78, 1044744), (101, 806832), (104, 783558), (117, 696496), (144, 565903), (156, 522372), (202, 403416), (208, 391779), (234, 348248), (303, 268944), (312, 261186), (404, 201708), (431, 189072), (468, 174124), (606, 134472), (624, 130593), (808, 100854), (862, 94536), (909, 89648), (936, 87062), (1212, 67236), (1293, 63024), (1313, 62064), (1616, 50427), (1724, 47268), (1818, 44824), (1872, 43531), (2424, 33618), (2586, 31512), (2626, 31032), (3448, 23634), (3636, 22412), (3879, 21008), (3939, 20688), (4848, 16809), (5172, 15756), (5252, 15516), (5603, 14544), (6896, 11817), (7272, 11206), (7758, 10504), (7878, 10344)]