81488568

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 250560000

約数和(自身を除く): 169071432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 196, 228, 266, 294, 343, 392, 399, 456, 521, 532, 588, 686, 798, 931, 1029, 1042, 1064, 1176, 1372, 1563, 1596, 1862, 2058, 2084, 2744, 2793, 3126, 3192, 3647, 3724, 4116, 4168, 5586, 6252, 6517, 7294, 7448, 8232, 9899, 10941, 11172, 12504, 13034, 14588, 19551, 19798, 21882, 22344, 25529, 26068, 29176, 29697, 39102, 39596, 43764, 51058, 52136, 59394, 69293, 76587, 78204, 79192, 87528, 102116, 118788, 138586, 153174, 156408, 178703, 204232, 207879, 237576, 277172, 306348, 357406, 415758, 485051, 536109, 554344, 612696, 714812, 831516, 970102, 1072218, 1429624, 1455153, 1663032, 1940204, 2144436, 2910306, 3395357, 3880408, 4288872, 5820612, 6790714, 10186071, 11641224, 13581428, 20372142, 27162856, 40744284, 81488568]

約数ペア:

[(1, 81488568), (2, 40744284), (3, 27162856), (4, 20372142), (6, 13581428), (7, 11641224), (8, 10186071), (12, 6790714), (14, 5820612), (19, 4288872), (21, 3880408), (24, 3395357), (28, 2910306), (38, 2144436), (42, 1940204), (49, 1663032), (56, 1455153), (57, 1429624), (76, 1072218), (84, 970102), (98, 831516), (114, 714812), (133, 612696), (147, 554344), (152, 536109), (168, 485051), (196, 415758), (228, 357406), (266, 306348), (294, 277172), (343, 237576), (392, 207879), (399, 204232), (456, 178703), (521, 156408), (532, 153174), (588, 138586), (686, 118788), (798, 102116), (931, 87528), (1029, 79192), (1042, 78204), (1064, 76587), (1176, 69293), (1372, 59394), (1563, 52136), (1596, 51058), (1862, 43764), (2058, 39596), (2084, 39102), (2744, 29697), (2793, 29176), (3126, 26068), (3192, 25529), (3647, 22344), (3724, 21882), (4116, 19798), (4168, 19551), (5586, 14588), (6252, 13034), (6517, 12504), (7294, 11172), (7448, 10941), (8232, 9899)]