640610352

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1687

約数の個数: 120

約数和(自身を含む): 1886736384

約数和(自身を除く): 1246126032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 127, 138, 144, 184, 207, 254, 276, 368, 381, 414, 508, 552, 762, 828, 1016, 1104, 1143, 1523, 1524, 1656, 2032, 2286, 2921, 3046, 3048, 3312, 4569, 4572, 5842, 6092, 6096, 8763, 9138, 9144, 11684, 12184, 13707, 17526, 18276, 18288, 23368, 24368, 26289, 27414, 35029, 35052, 36552, 46736, 52578, 54828, 70058, 70104, 73104, 105087, 105156, 109656, 140116, 140208, 193421, 210174, 210312, 219312, 280232, 315261, 386842, 420348, 420624, 560464, 580263, 630522, 773684, 840696, 1160526, 1261044, 1547368, 1681392, 1740789, 2321052, 2522088, 3094736, 3481578, 4448683, 4642104, 5044176, 6963156, 8897366, 9284208, 13346049, 13926312, 17794732, 26692098, 27852624, 35589464, 40038147, 53384196, 71178928, 80076294, 106768392, 160152588, 213536784, 320305176, 640610352]

約数ペア:

[(1, 640610352), (2, 320305176), (3, 213536784), (4, 160152588), (6, 106768392), (8, 80076294), (9, 71178928), (12, 53384196), (16, 40038147), (18, 35589464), (23, 27852624), (24, 26692098), (36, 17794732), (46, 13926312), (48, 13346049), (69, 9284208), (72, 8897366), (92, 6963156), (127, 5044176), (138, 4642104), (144, 4448683), (184, 3481578), (207, 3094736), (254, 2522088), (276, 2321052), (368, 1740789), (381, 1681392), (414, 1547368), (508, 1261044), (552, 1160526), (762, 840696), (828, 773684), (1016, 630522), (1104, 580263), (1143, 560464), (1523, 420624), (1524, 420348), (1656, 386842), (2032, 315261), (2286, 280232), (2921, 219312), (3046, 210312), (3048, 210174), (3312, 193421), (4569, 140208), (4572, 140116), (5842, 109656), (6092, 105156), (6096, 105087), (8763, 73104), (9138, 70104), (9144, 70058), (11684, 54828), (12184, 52578), (13707, 46736), (17526, 36552), (18276, 35052), (18288, 35029), (23368, 27414), (24368, 26289)]