631281280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 256

約数和(自身を含む): 1841875200

約数和(自身を除く): 1210593920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 43, 56, 58, 64, 70, 80, 86, 112, 113, 116, 128, 140, 145, 160, 172, 203, 215, 224, 226, 232, 280, 290, 301, 320, 344, 406, 430, 448, 452, 464, 560, 565, 580, 602, 640, 688, 791, 812, 860, 896, 904, 928, 1015, 1120, 1130, 1160, 1204, 1247, 1376, 1505, 1582, 1624, 1720, 1808, 1856, 2030, 2240, 2260, 2320, 2408, 2494, 2752, 3010, 3164, 3248, 3277, 3440, 3616, 3712, 3955, 4060, 4480, 4520, 4640, 4816, 4859, 4988, 5504, 6020, 6235, 6328, 6496, 6554, 6880, 7232, 7910, 8120, 8729, 9040, 9280, 9632, 9718, 9976, 12040, 12470, 12656, 12992, 13108, 13760, 14464, 15820, 16240, 16385, 17458, 18080, 18560, 19264, 19436, 19952, 22939, 24080, 24295, 24940, 25312, 25984, 26216, 27520, 31640, 32480, 32770, 34013, 34916, 36160, 38528, 38872, 39904, 43645, 45878, 48160, 48590, 49880, 50624, 52432, 63280, 64960, 65540, 68026, 69832, 72320, 77744, 79808, 87290, 91756, 96320, 97180, 99760, 101248, 104864, 114695, 126560, 129920, 131080, 136052, 139664, 140911, 155488, 159616, 170065, 174580, 183512, 192640, 194360, 199520, 209728, 229390, 253120, 262160, 272104, 279328, 281822, 310976, 340130, 349160, 367024, 388720, 399040, 419456, 458780, 506240, 524320, 544208, 558656, 563644, 621952, 680260, 698320, 704555, 734048, 777440, 798080, 917560, 986377, 1048640, 1088416, 1117312, 1127288, 1360520, 1396640, 1409110, 1468096, 1554880, 1835120, 1972754, 2097280, 2176832, 2254576, 2721040, 2793280, 2818220, 2936192, 3109760, 3670240, 3945508, 4353664, 4509152, 4931885, 5442080, 5586560, 5636440, 7340480, 7891016, 9018304, 9863770, 10884160, 11272880, 14680960, 15782032, 18036608, 19727540, 21768320, 22545760, 31564064, 39455080, 45091520, 63128128, 78910160, 90183040, 126256256, 157820320, 315640640, 631281280]

約数ペア:

[(1, 631281280), (2, 315640640), (4, 157820320), (5, 126256256), (7, 90183040), (8, 78910160), (10, 63128128), (14, 45091520), (16, 39455080), (20, 31564064), (28, 22545760), (29, 21768320), (32, 19727540), (35, 18036608), (40, 15782032), (43, 14680960), (56, 11272880), (58, 10884160), (64, 9863770), (70, 9018304), (80, 7891016), (86, 7340480), (112, 5636440), (113, 5586560), (116, 5442080), (128, 4931885), (140, 4509152), (145, 4353664), (160, 3945508), (172, 3670240), (203, 3109760), (215, 2936192), (224, 2818220), (226, 2793280), (232, 2721040), (280, 2254576), (290, 2176832), (301, 2097280), (320, 1972754), (344, 1835120), (406, 1554880), (430, 1468096), (448, 1409110), (452, 1396640), (464, 1360520), (560, 1127288), (565, 1117312), (580, 1088416), (602, 1048640), (640, 986377), (688, 917560), (791, 798080), (812, 777440), (860, 734048), (896, 704555), (904, 698320), (928, 680260), (1015, 621952), (1120, 563644), (1130, 558656), (1160, 544208), (1204, 524320), (1247, 506240), (1376, 458780), (1505, 419456), (1582, 399040), (1624, 388720), (1720, 367024), (1808, 349160), (1856, 340130), (2030, 310976), (2240, 281822), (2260, 279328), (2320, 272104), (2408, 262160), (2494, 253120), (2752, 229390), (3010, 209728), (3164, 199520), (3248, 194360), (3277, 192640), (3440, 183512), (3616, 174580), (3712, 170065), (3955, 159616), (4060, 155488), (4480, 140911), (4520, 139664), (4640, 136052), (4816, 131080), (4859, 129920), (4988, 126560), (5504, 114695), (6020, 104864), (6235, 101248), (6328, 99760), (6496, 97180), (6554, 96320), (6880, 91756), (7232, 87290), (7910, 79808), (8120, 77744), (8729, 72320), (9040, 69832), (9280, 68026), (9632, 65540), (9718, 64960), (9976, 63280), (12040, 52432), (12470, 50624), (12656, 49880), (12992, 48590), (13108, 48160), (13760, 45878), (14464, 43645), (15820, 39904), (16240, 38872), (16385, 38528), (17458, 36160), (18080, 34916), (18560, 34013), (19264, 32770), (19436, 32480), (19952, 31640), (22939, 27520), (24080, 26216), (24295, 25984), (24940, 25312)]