816401280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 2714342400

約数和(自身を除く): 1897941120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 83, 94, 96, 109, 120, 128, 141, 160, 166, 188, 192, 218, 235, 240, 249, 282, 320, 327, 332, 376, 384, 415, 436, 470, 480, 498, 545, 564, 640, 654, 664, 705, 752, 830, 872, 940, 960, 996, 1090, 1128, 1245, 1308, 1328, 1410, 1504, 1635, 1660, 1744, 1880, 1920, 1992, 2180, 2256, 2490, 2616, 2656, 2820, 3008, 3270, 3320, 3488, 3760, 3901, 3984, 4360, 4512, 4980, 5123, 5232, 5312, 5640, 6016, 6540, 6640, 6976, 7520, 7802, 7968, 8720, 9024, 9047, 9960, 10246, 10464, 10624, 11280, 11703, 13080, 13280, 13952, 15040, 15369, 15604, 15936, 17440, 18048, 18094, 19505, 19920, 20492, 20928, 22560, 23406, 25615, 26160, 26560, 27141, 30080, 30738, 31208, 31872, 34880, 36188, 39010, 39840, 40984, 41856, 45120, 45235, 46812, 51230, 52320, 53120, 54282, 58515, 61476, 62416, 69760, 72376, 76845, 78020, 79680, 81968, 90240, 90470, 93624, 102460, 104640, 108564, 117030, 122952, 124832, 135705, 144752, 153690, 156040, 159360, 163936, 180940, 187248, 204920, 209280, 217128, 234060, 245904, 249664, 271410, 289504, 307380, 312080, 327872, 361880, 374496, 409840, 425209, 434256, 468120, 491808, 499328, 542820, 579008, 614760, 624160, 655744, 723760, 748992, 819680, 850418, 868512, 936240, 983616, 1085640, 1158016, 1229520, 1248320, 1275627, 1447520, 1497984, 1639360, 1700836, 1737024, 1872480, 1967232, 2126045, 2171280, 2459040, 2496640, 2551254, 2895040, 3278720, 3401672, 3474048, 3744960, 4252090, 4342560, 4918080, 5102508, 5790080, 6378135, 6803344, 7489920, 8504180, 8685120, 9836160, 10205016, 12756270, 13606688, 17008360, 17370240, 20410032, 25512540, 27213376, 34016720, 40820064, 51025080, 54426752, 68033440, 81640128, 102050160, 136066880, 163280256, 204100320, 272133760, 408200640, 816401280]

約数ペア:

[(1, 816401280), (2, 408200640), (3, 272133760), (4, 204100320), (5, 163280256), (6, 136066880), (8, 102050160), (10, 81640128), (12, 68033440), (15, 54426752), (16, 51025080), (20, 40820064), (24, 34016720), (30, 27213376), (32, 25512540), (40, 20410032), (47, 17370240), (48, 17008360), (60, 13606688), (64, 12756270), (80, 10205016), (83, 9836160), (94, 8685120), (96, 8504180), (109, 7489920), (120, 6803344), (128, 6378135), (141, 5790080), (160, 5102508), (166, 4918080), (188, 4342560), (192, 4252090), (218, 3744960), (235, 3474048), (240, 3401672), (249, 3278720), (282, 2895040), (320, 2551254), (327, 2496640), (332, 2459040), (376, 2171280), (384, 2126045), (415, 1967232), (436, 1872480), (470, 1737024), (480, 1700836), (498, 1639360), (545, 1497984), (564, 1447520), (640, 1275627), (654, 1248320), (664, 1229520), (705, 1158016), (752, 1085640), (830, 983616), (872, 936240), (940, 868512), (960, 850418), (996, 819680), (1090, 748992), (1128, 723760), (1245, 655744), (1308, 624160), (1328, 614760), (1410, 579008), (1504, 542820), (1635, 499328), (1660, 491808), (1744, 468120), (1880, 434256), (1920, 425209), (1992, 409840), (2180, 374496), (2256, 361880), (2490, 327872), (2616, 312080), (2656, 307380), (2820, 289504), (3008, 271410), (3270, 249664), (3320, 245904), (3488, 234060), (3760, 217128), (3901, 209280), (3984, 204920), (4360, 187248), (4512, 180940), (4980, 163936), (5123, 159360), (5232, 156040), (5312, 153690), (5640, 144752), (6016, 135705), (6540, 124832), (6640, 122952), (6976, 117030), (7520, 108564), (7802, 104640), (7968, 102460), (8720, 93624), (9024, 90470), (9047, 90240), (9960, 81968), (10246, 79680), (10464, 78020), (10624, 76845), (11280, 72376), (11703, 69760), (13080, 62416), (13280, 61476), (13952, 58515), (15040, 54282), (15369, 53120), (15604, 52320), (15936, 51230), (17440, 46812), (18048, 45235), (18094, 45120), (19505, 41856), (19920, 40984), (20492, 39840), (20928, 39010), (22560, 36188), (23406, 34880), (25615, 31872), (26160, 31208), (26560, 30738), (27141, 30080)]