645491280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13249}}^1$

素因数の和:13301

約数の個数: 160

約数和(自身を含む): 2365920000

約数和(自身を除く): 1720428720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3248, 3480, 4060, 4872, 6090, 6960, 8120, 9744, 12180, 13249, 16240, 24360, 26498, 39747, 48720, 52996, 66245, 79494, 92743, 105992, 132490, 158988, 185486, 198735, 211984, 264980, 278229, 317976, 370972, 384221, 397470, 463715, 529960, 556458, 635952, 741944, 768442, 794940, 927430, 1059920, 1112916, 1152663, 1391145, 1483888, 1536884, 1589880, 1854860, 1921105, 2225832, 2305326, 2689547, 2782290, 3073768, 3179760, 3709720, 3842210, 4451664, 4610652, 5379094, 5564580, 5763315, 6147536, 7419440, 7684420, 8068641, 9221304, 10758188, 11129160, 11526630, 13447735, 15368840, 16137282, 18442608, 21516376, 22258320, 23053260, 26895470, 30737680, 32274564, 40343205, 43032752, 46106520, 53790940, 64549128, 80686410, 92213040, 107581880, 129098256, 161372820, 215163760, 322745640, 645491280]

約数ペア:

[(1, 645491280), (2, 322745640), (3, 215163760), (4, 161372820), (5, 129098256), (6, 107581880), (7, 92213040), (8, 80686410), (10, 64549128), (12, 53790940), (14, 46106520), (15, 43032752), (16, 40343205), (20, 32274564), (21, 30737680), (24, 26895470), (28, 23053260), (29, 22258320), (30, 21516376), (35, 18442608), (40, 16137282), (42, 15368840), (48, 13447735), (56, 11526630), (58, 11129160), (60, 10758188), (70, 9221304), (80, 8068641), (84, 7684420), (87, 7419440), (105, 6147536), (112, 5763315), (116, 5564580), (120, 5379094), (140, 4610652), (145, 4451664), (168, 3842210), (174, 3709720), (203, 3179760), (210, 3073768), (232, 2782290), (240, 2689547), (280, 2305326), (290, 2225832), (336, 1921105), (348, 1854860), (406, 1589880), (420, 1536884), (435, 1483888), (464, 1391145), (560, 1152663), (580, 1112916), (609, 1059920), (696, 927430), (812, 794940), (840, 768442), (870, 741944), (1015, 635952), (1160, 556458), (1218, 529960), (1392, 463715), (1624, 397470), (1680, 384221), (1740, 370972), (2030, 317976), (2320, 278229), (2436, 264980), (3045, 211984), (3248, 198735), (3480, 185486), (4060, 158988), (4872, 132490), (6090, 105992), (6960, 92743), (8120, 79494), (9744, 66245), (12180, 52996), (13249, 48720), (16240, 39747), (24360, 26498)]