656594120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 1881396720

約数和(自身を除く): 1224802600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 73, 91, 98, 104, 130, 140, 146, 182, 196, 245, 260, 280, 292, 353, 364, 365, 392, 455, 490, 511, 520, 584, 637, 706, 728, 730, 910, 949, 980, 1022, 1274, 1412, 1460, 1765, 1820, 1898, 1960, 2044, 2471, 2548, 2555, 2824, 2920, 3185, 3530, 3577, 3640, 3796, 4088, 4589, 4745, 4942, 5096, 5110, 6370, 6643, 7060, 7154, 7592, 9178, 9490, 9884, 10220, 12355, 12740, 13286, 14120, 14308, 17297, 17885, 18356, 18980, 19768, 20440, 22945, 24710, 25480, 25769, 26572, 28616, 32123, 33215, 34594, 35770, 36712, 37960, 45890, 46501, 49420, 51538, 53144, 64246, 66430, 69188, 71540, 86485, 91780, 93002, 98840, 103076, 128492, 128845, 132860, 138376, 143080, 160615, 172970, 180383, 183560, 186004, 206152, 224861, 232505, 256984, 257690, 265720, 321230, 334997, 345940, 360766, 372008, 449722, 465010, 515380, 642460, 669994, 691880, 721532, 899444, 901915, 930020, 1030760, 1124305, 1262681, 1284920, 1339988, 1443064, 1674985, 1798888, 1803830, 1860040, 2248610, 2344979, 2525362, 2679976, 3349970, 3607660, 4497220, 4689958, 5050724, 6313405, 6699940, 7215320, 8994440, 9379916, 10101448, 11724895, 12626810, 13399880, 16414853, 18759832, 23449790, 25253620, 32829706, 46899580, 50507240, 65659412, 82074265, 93799160, 131318824, 164148530, 328297060, 656594120]

約数ペア:

[(1, 656594120), (2, 328297060), (4, 164148530), (5, 131318824), (7, 93799160), (8, 82074265), (10, 65659412), (13, 50507240), (14, 46899580), (20, 32829706), (26, 25253620), (28, 23449790), (35, 18759832), (40, 16414853), (49, 13399880), (52, 12626810), (56, 11724895), (65, 10101448), (70, 9379916), (73, 8994440), (91, 7215320), (98, 6699940), (104, 6313405), (130, 5050724), (140, 4689958), (146, 4497220), (182, 3607660), (196, 3349970), (245, 2679976), (260, 2525362), (280, 2344979), (292, 2248610), (353, 1860040), (364, 1803830), (365, 1798888), (392, 1674985), (455, 1443064), (490, 1339988), (511, 1284920), (520, 1262681), (584, 1124305), (637, 1030760), (706, 930020), (728, 901915), (730, 899444), (910, 721532), (949, 691880), (980, 669994), (1022, 642460), (1274, 515380), (1412, 465010), (1460, 449722), (1765, 372008), (1820, 360766), (1898, 345940), (1960, 334997), (2044, 321230), (2471, 265720), (2548, 257690), (2555, 256984), (2824, 232505), (2920, 224861), (3185, 206152), (3530, 186004), (3577, 183560), (3640, 180383), (3796, 172970), (4088, 160615), (4589, 143080), (4745, 138376), (4942, 132860), (5096, 128845), (5110, 128492), (6370, 103076), (6643, 98840), (7060, 93002), (7154, 91780), (7592, 86485), (9178, 71540), (9490, 69188), (9884, 66430), (10220, 64246), (12355, 53144), (12740, 51538), (13286, 49420), (14120, 46501), (14308, 45890), (17297, 37960), (17885, 36712), (18356, 35770), (18980, 34594), (19768, 33215), (20440, 32123), (22945, 28616), (24710, 26572), (25480, 25769)]