280840392

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:964

約数の個数: 128

約数和(自身を含む): 896083200

約数和(自身を除く): 615242808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 281, 378, 504, 562, 661, 756, 843, 1124, 1322, 1512, 1686, 1967, 1983, 2248, 2529, 2644, 3372, 3934, 3966, 4627, 5058, 5288, 5901, 5949, 6744, 7587, 7868, 7932, 9254, 10116, 11802, 11898, 13881, 15174, 15736, 15864, 17703, 17847, 18508, 20232, 23604, 23796, 27762, 30348, 35406, 35694, 37016, 41643, 47208, 47592, 53109, 55524, 60696, 70812, 71388, 83286, 106218, 111048, 124929, 141624, 142776, 166572, 185741, 212436, 249858, 333144, 371482, 424872, 499716, 557223, 742964, 999432, 1114446, 1300187, 1485928, 1671669, 2228892, 2600374, 3343338, 3900561, 4457784, 5015007, 5200748, 6686676, 7801122, 10030014, 10401496, 11701683, 13373352, 15602244, 20060028, 23403366, 31204488, 35105049, 40120056, 46806732, 70210098, 93613464, 140420196, 280840392]

約数ペア:

[(1, 280840392), (2, 140420196), (3, 93613464), (4, 70210098), (6, 46806732), (7, 40120056), (8, 35105049), (9, 31204488), (12, 23403366), (14, 20060028), (18, 15602244), (21, 13373352), (24, 11701683), (27, 10401496), (28, 10030014), (36, 7801122), (42, 6686676), (54, 5200748), (56, 5015007), (63, 4457784), (72, 3900561), (84, 3343338), (108, 2600374), (126, 2228892), (168, 1671669), (189, 1485928), (216, 1300187), (252, 1114446), (281, 999432), (378, 742964), (504, 557223), (562, 499716), (661, 424872), (756, 371482), (843, 333144), (1124, 249858), (1322, 212436), (1512, 185741), (1686, 166572), (1967, 142776), (1983, 141624), (2248, 124929), (2529, 111048), (2644, 106218), (3372, 83286), (3934, 71388), (3966, 70812), (4627, 60696), (5058, 55524), (5288, 53109), (5901, 47592), (5949, 47208), (6744, 41643), (7587, 37016), (7868, 35694), (7932, 35406), (9254, 30348), (10116, 27762), (11802, 23796), (11898, 23604), (13881, 20232), (15174, 18508), (15736, 17847), (15864, 17703)]