408291520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2047

約数の個数: 168

約数和(自身を含む): 1218584304

約数和(自身を除く): 810292784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2003, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4006, 4160, 5096, 5824, 6370, 7280, 7840, 8012, 10015, 10192, 12740, 14021, 14560, 15680, 16024, 20030, 20384, 25480, 26039, 28042, 29120, 32048, 40060, 40768, 50960, 52078, 56084, 64096, 70105, 80120, 98147, 101920, 104156, 112168, 128192, 130195, 140210, 160240, 182273, 196294, 203840, 208312, 224336, 260390, 280420, 320480, 364546, 392588, 416624, 448672, 490735, 520780, 560840, 640960, 729092, 785176, 833248, 897344, 911365, 981470, 1041560, 1121680, 1275911, 1458184, 1570352, 1666496, 1822730, 1962940, 2083120, 2243360, 2551822, 2916368, 3140704, 3645460, 3925880, 4166240, 4486720, 5103644, 5832736, 6281408, 6379555, 7290920, 7851760, 8332480, 10207288, 11665472, 12759110, 14581840, 15703520, 20414576, 25518220, 29163680, 31407040, 40829152, 51036440, 58327360, 81658304, 102072880, 204145760, 408291520]

約数ペア:

[(1, 408291520), (2, 204145760), (4, 102072880), (5, 81658304), (7, 58327360), (8, 51036440), (10, 40829152), (13, 31407040), (14, 29163680), (16, 25518220), (20, 20414576), (26, 15703520), (28, 14581840), (32, 12759110), (35, 11665472), (40, 10207288), (49, 8332480), (52, 7851760), (56, 7290920), (64, 6379555), (65, 6281408), (70, 5832736), (80, 5103644), (91, 4486720), (98, 4166240), (104, 3925880), (112, 3645460), (130, 3140704), (140, 2916368), (160, 2551822), (182, 2243360), (196, 2083120), (208, 1962940), (224, 1822730), (245, 1666496), (260, 1570352), (280, 1458184), (320, 1275911), (364, 1121680), (392, 1041560), (416, 981470), (448, 911365), (455, 897344), (490, 833248), (520, 785176), (560, 729092), (637, 640960), (728, 560840), (784, 520780), (832, 490735), (910, 448672), (980, 416624), (1040, 392588), (1120, 364546), (1274, 320480), (1456, 280420), (1568, 260390), (1820, 224336), (1960, 208312), (2003, 203840), (2080, 196294), (2240, 182273), (2548, 160240), (2912, 140210), (3136, 130195), (3185, 128192), (3640, 112168), (3920, 104156), (4006, 101920), (4160, 98147), (5096, 80120), (5824, 70105), (6370, 64096), (7280, 56084), (7840, 52078), (8012, 50960), (10015, 40768), (10192, 40060), (12740, 32048), (14021, 29120), (14560, 28042), (15680, 26039), (16024, 25480), (20030, 20384)]