8641360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1220

約数の個数: 80

約数和(自身を含む): 24748416

約数和(自身を除く): 16107056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1187, 1456, 1820, 2374, 3640, 4748, 5935, 7280, 8309, 9496, 11870, 15431, 16618, 18992, 23740, 30862, 33236, 41545, 47480, 61724, 66472, 77155, 83090, 94960, 108017, 123448, 132944, 154310, 166180, 216034, 246896, 308620, 332360, 432068, 540085, 617240, 664720, 864136, 1080170, 1234480, 1728272, 2160340, 4320680, 8641360]

約数ペア:

[(1, 8641360), (2, 4320680), (4, 2160340), (5, 1728272), (7, 1234480), (8, 1080170), (10, 864136), (13, 664720), (14, 617240), (16, 540085), (20, 432068), (26, 332360), (28, 308620), (35, 246896), (40, 216034), (52, 166180), (56, 154310), (65, 132944), (70, 123448), (80, 108017), (91, 94960), (104, 83090), (112, 77155), (130, 66472), (140, 61724), (182, 47480), (208, 41545), (260, 33236), (280, 30862), (364, 23740), (455, 18992), (520, 16618), (560, 15431), (728, 11870), (910, 9496), (1040, 8309), (1187, 7280), (1456, 5935), (1820, 4748), (2374, 3640)]