394448640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 1270550400

約数和(自身を除く): 876101760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 256, 278, 320, 384, 417, 480, 556, 640, 695, 739, 768, 834, 960, 1112, 1280, 1390, 1478, 1668, 1920, 2085, 2217, 2224, 2780, 2956, 3336, 3695, 3840, 4170, 4434, 4448, 5560, 5912, 6672, 7390, 8340, 8868, 8896, 11085, 11120, 11824, 13344, 14780, 16680, 17736, 17792, 22170, 22240, 23648, 26688, 29560, 33360, 35472, 35584, 44340, 44480, 47296, 53376, 59120, 66720, 70944, 88680, 88960, 94592, 102721, 106752, 118240, 133440, 141888, 177360, 177920, 189184, 205442, 236480, 266880, 283776, 308163, 354720, 410884, 472960, 513605, 533760, 567552, 616326, 709440, 821768, 945920, 1027210, 1232652, 1418880, 1540815, 1643536, 2054420, 2465304, 2837760, 3081630, 3287072, 4108840, 4930608, 6163260, 6574144, 8217680, 9861216, 12326520, 13148288, 16435360, 19722432, 24653040, 26296576, 32870720, 39444864, 49306080, 65741440, 78889728, 98612160, 131482880, 197224320, 394448640]

約数ペア:

[(1, 394448640), (2, 197224320), (3, 131482880), (4, 98612160), (5, 78889728), (6, 65741440), (8, 49306080), (10, 39444864), (12, 32870720), (15, 26296576), (16, 24653040), (20, 19722432), (24, 16435360), (30, 13148288), (32, 12326520), (40, 9861216), (48, 8217680), (60, 6574144), (64, 6163260), (80, 4930608), (96, 4108840), (120, 3287072), (128, 3081630), (139, 2837760), (160, 2465304), (192, 2054420), (240, 1643536), (256, 1540815), (278, 1418880), (320, 1232652), (384, 1027210), (417, 945920), (480, 821768), (556, 709440), (640, 616326), (695, 567552), (739, 533760), (768, 513605), (834, 472960), (960, 410884), (1112, 354720), (1280, 308163), (1390, 283776), (1478, 266880), (1668, 236480), (1920, 205442), (2085, 189184), (2217, 177920), (2224, 177360), (2780, 141888), (2956, 133440), (3336, 118240), (3695, 106752), (3840, 102721), (4170, 94592), (4434, 88960), (4448, 88680), (5560, 70944), (5912, 66720), (6672, 59120), (7390, 53376), (8340, 47296), (8868, 44480), (8896, 44340), (11085, 35584), (11120, 35472), (11824, 33360), (13344, 29560), (14780, 26688), (16680, 23648), (17736, 22240), (17792, 22170)]