639854208

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{26449}}^1$

素因数の和:26479

約数の個数: 128

約数和(自身を含む): 2158320000

約数和(自身を除く): 1518465792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 864, 896, 1008, 1152, 1344, 1512, 1728, 2016, 2688, 3024, 3456, 4032, 6048, 8064, 12096, 24192, 26449, 52898, 79347, 105796, 158694, 185143, 211592, 238041, 317388, 370286, 423184, 476082, 555429, 634776, 714123, 740572, 846368, 952164, 1110858, 1269552, 1428246, 1481144, 1666287, 1692736, 1904328, 2221716, 2539104, 2856492, 2962288, 3332574, 3385472, 3808656, 4443432, 4998861, 5078208, 5712984, 5924576, 6665148, 7617312, 8886864, 9997722, 10156416, 11425968, 11849152, 13330296, 15234624, 17773728, 19995444, 22851936, 23698304, 26660592, 30469248, 35547456, 39990888, 45703872, 53321184, 71094912, 79981776, 91407744, 106642368, 159963552, 213284736, 319927104, 639854208]

約数ペア:

[(1, 639854208), (2, 319927104), (3, 213284736), (4, 159963552), (6, 106642368), (7, 91407744), (8, 79981776), (9, 71094912), (12, 53321184), (14, 45703872), (16, 39990888), (18, 35547456), (21, 30469248), (24, 26660592), (27, 23698304), (28, 22851936), (32, 19995444), (36, 17773728), (42, 15234624), (48, 13330296), (54, 11849152), (56, 11425968), (63, 10156416), (64, 9997722), (72, 8886864), (84, 7617312), (96, 6665148), (108, 5924576), (112, 5712984), (126, 5078208), (128, 4998861), (144, 4443432), (168, 3808656), (189, 3385472), (192, 3332574), (216, 2962288), (224, 2856492), (252, 2539104), (288, 2221716), (336, 1904328), (378, 1692736), (384, 1666287), (432, 1481144), (448, 1428246), (504, 1269552), (576, 1110858), (672, 952164), (756, 846368), (864, 740572), (896, 714123), (1008, 634776), (1152, 555429), (1344, 476082), (1512, 423184), (1728, 370286), (2016, 317388), (2688, 238041), (3024, 211592), (3456, 185143), (4032, 158694), (6048, 105796), (8064, 79347), (12096, 52898), (24192, 26449)]