280534752

素因数分解:

$2^5\times 3^5\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 144

約数和(自身を含む): 847566720

約数和(自身を除く): 567031968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 243, 258, 288, 324, 344, 387, 432, 486, 516, 648, 688, 774, 839, 864, 972, 1032, 1161, 1296, 1376, 1548, 1678, 1944, 2064, 2322, 2517, 2592, 3096, 3356, 3483, 3888, 4128, 4644, 5034, 6192, 6712, 6966, 7551, 7776, 9288, 10068, 10449, 12384, 13424, 13932, 15102, 18576, 20136, 20898, 22653, 26848, 27864, 30204, 36077, 37152, 40272, 41796, 45306, 55728, 60408, 67959, 72154, 80544, 83592, 90612, 108231, 111456, 120816, 135918, 144308, 167184, 181224, 203877, 216462, 241632, 271836, 288616, 324693, 334368, 362448, 407754, 432924, 543672, 577232, 649386, 724896, 815508, 865848, 974079, 1087344, 1154464, 1298772, 1631016, 1731696, 1948158, 2174688, 2597544, 2922237, 3262032, 3463392, 3896316, 5195088, 5844474, 6524064, 7792632, 8766711, 10390176, 11688948, 15585264, 17533422, 23377896, 31170528, 35066844, 46755792, 70133688, 93511584, 140267376, 280534752]

約数ペア:

[(1, 280534752), (2, 140267376), (3, 93511584), (4, 70133688), (6, 46755792), (8, 35066844), (9, 31170528), (12, 23377896), (16, 17533422), (18, 15585264), (24, 11688948), (27, 10390176), (32, 8766711), (36, 7792632), (43, 6524064), (48, 5844474), (54, 5195088), (72, 3896316), (81, 3463392), (86, 3262032), (96, 2922237), (108, 2597544), (129, 2174688), (144, 1948158), (162, 1731696), (172, 1631016), (216, 1298772), (243, 1154464), (258, 1087344), (288, 974079), (324, 865848), (344, 815508), (387, 724896), (432, 649386), (486, 577232), (516, 543672), (648, 432924), (688, 407754), (774, 362448), (839, 334368), (864, 324693), (972, 288616), (1032, 271836), (1161, 241632), (1296, 216462), (1376, 203877), (1548, 181224), (1678, 167184), (1944, 144308), (2064, 135918), (2322, 120816), (2517, 111456), (2592, 108231), (3096, 90612), (3356, 83592), (3483, 80544), (3888, 72154), (4128, 67959), (4644, 60408), (5034, 55728), (6192, 45306), (6712, 41796), (6966, 40272), (7551, 37152), (7776, 36077), (9288, 30204), (10068, 27864), (10449, 26848), (12384, 22653), (13424, 20898), (13932, 20136), (15102, 18576)]