128757888

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{2281}}^1$

素因数の和:2315

約数の個数: 144

約数和(自身を含む): 431195310

約数和(自身を除く): 302437422

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 384, 392, 441, 448, 504, 576, 588, 672, 784, 882, 896, 1008, 1152, 1176, 1344, 1568, 1764, 2016, 2281, 2352, 2688, 3136, 3528, 4032, 4562, 4704, 6272, 6843, 7056, 8064, 9124, 9408, 13686, 14112, 15967, 18248, 18816, 20529, 27372, 28224, 31934, 36496, 41058, 47901, 54744, 56448, 63868, 72992, 82116, 95802, 109488, 111769, 127736, 143703, 145984, 164232, 191604, 218976, 223538, 255472, 287406, 291968, 328464, 335307, 383208, 437952, 447076, 510944, 574812, 656928, 670614, 766416, 875904, 894152, 1005921, 1021888, 1149624, 1313856, 1341228, 1532832, 1788304, 2011842, 2043776, 2299248, 2627712, 2682456, 3065664, 3576608, 4023684, 4598496, 5364912, 6131328, 7153216, 8047368, 9196992, 10729824, 14306432, 16094736, 18393984, 21459648, 32189472, 42919296, 64378944, 128757888]

約数ペア:

[(1, 128757888), (2, 64378944), (3, 42919296), (4, 32189472), (6, 21459648), (7, 18393984), (8, 16094736), (9, 14306432), (12, 10729824), (14, 9196992), (16, 8047368), (18, 7153216), (21, 6131328), (24, 5364912), (28, 4598496), (32, 4023684), (36, 3576608), (42, 3065664), (48, 2682456), (49, 2627712), (56, 2299248), (63, 2043776), (64, 2011842), (72, 1788304), (84, 1532832), (96, 1341228), (98, 1313856), (112, 1149624), (126, 1021888), (128, 1005921), (144, 894152), (147, 875904), (168, 766416), (192, 670614), (196, 656928), (224, 574812), (252, 510944), (288, 447076), (294, 437952), (336, 383208), (384, 335307), (392, 328464), (441, 291968), (448, 287406), (504, 255472), (576, 223538), (588, 218976), (672, 191604), (784, 164232), (882, 145984), (896, 143703), (1008, 127736), (1152, 111769), (1176, 109488), (1344, 95802), (1568, 82116), (1764, 72992), (2016, 63868), (2281, 56448), (2352, 54744), (2688, 47901), (3136, 41058), (3528, 36496), (4032, 31934), (4562, 28224), (4704, 27372), (6272, 20529), (6843, 18816), (7056, 18248), (8064, 15967), (9124, 14112), (9408, 13686)]