205378320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2909

約数の個数: 160

約数和(自身を含む): 744809472

約数和(自身を除く): 539431152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 2843, 3010, 3440, 3612, 4515, 4816, 5160, 5686, 6020, 7224, 8529, 9030, 10320, 11372, 12040, 14215, 14448, 17058, 18060, 19901, 22744, 24080, 28430, 34116, 36120, 39802, 42645, 45488, 56860, 59703, 68232, 72240, 79604, 85290, 99505, 113720, 119406, 122249, 136464, 159208, 170580, 199010, 227440, 238812, 244498, 298515, 318416, 341160, 366747, 398020, 477624, 488996, 597030, 611245, 682320, 733494, 796040, 855743, 955248, 977992, 1194060, 1222490, 1466988, 1592080, 1711486, 1833735, 1955984, 2388120, 2444980, 2567229, 2933976, 3422972, 3667470, 4278715, 4776240, 4889960, 5134458, 5867952, 6845944, 7334940, 8557430, 9779920, 10268916, 12836145, 13691888, 14669880, 17114860, 20537832, 25672290, 29339760, 34229720, 41075664, 51344580, 68459440, 102689160, 205378320]

約数ペア:

[(1, 205378320), (2, 102689160), (3, 68459440), (4, 51344580), (5, 41075664), (6, 34229720), (7, 29339760), (8, 25672290), (10, 20537832), (12, 17114860), (14, 14669880), (15, 13691888), (16, 12836145), (20, 10268916), (21, 9779920), (24, 8557430), (28, 7334940), (30, 6845944), (35, 5867952), (40, 5134458), (42, 4889960), (43, 4776240), (48, 4278715), (56, 3667470), (60, 3422972), (70, 2933976), (80, 2567229), (84, 2444980), (86, 2388120), (105, 1955984), (112, 1833735), (120, 1711486), (129, 1592080), (140, 1466988), (168, 1222490), (172, 1194060), (210, 977992), (215, 955248), (240, 855743), (258, 796040), (280, 733494), (301, 682320), (336, 611245), (344, 597030), (420, 488996), (430, 477624), (516, 398020), (560, 366747), (602, 341160), (645, 318416), (688, 298515), (840, 244498), (860, 238812), (903, 227440), (1032, 199010), (1204, 170580), (1290, 159208), (1505, 136464), (1680, 122249), (1720, 119406), (1806, 113720), (2064, 99505), (2408, 85290), (2580, 79604), (2843, 72240), (3010, 68232), (3440, 59703), (3612, 56860), (4515, 45488), (4816, 42645), (5160, 39802), (5686, 36120), (6020, 34116), (7224, 28430), (8529, 24080), (9030, 22744), (10320, 19901), (11372, 18060), (12040, 17058), (14215, 14448)]