280393680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 240

約数和(自身を含む): 1024916544

約数和(自身を除く): 744522864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 113, 120, 140, 147, 168, 196, 210, 211, 226, 240, 245, 280, 294, 336, 339, 392, 420, 422, 452, 490, 560, 565, 588, 633, 678, 735, 784, 791, 840, 844, 904, 980, 1055, 1130, 1176, 1266, 1356, 1470, 1477, 1582, 1680, 1688, 1695, 1808, 1960, 2110, 2260, 2352, 2373, 2532, 2712, 2940, 2954, 3164, 3165, 3376, 3390, 3920, 3955, 4220, 4431, 4520, 4746, 5064, 5424, 5537, 5880, 5908, 6328, 6330, 6780, 7385, 7910, 8440, 8862, 9040, 9492, 10128, 10339, 11074, 11760, 11816, 11865, 12656, 12660, 13560, 14770, 15820, 16611, 16880, 17724, 18984, 20678, 22148, 22155, 23632, 23730, 23843, 25320, 27120, 27685, 29540, 31017, 31640, 33222, 35448, 37968, 41356, 44296, 44310, 47460, 47686, 50640, 51695, 55370, 59080, 62034, 63280, 66444, 70896, 71529, 82712, 83055, 88592, 88620, 94920, 95372, 103390, 110740, 118160, 119215, 124068, 132888, 143058, 155085, 165424, 166110, 166901, 177240, 189840, 190744, 206780, 221480, 238430, 248136, 265776, 286116, 310170, 332220, 333802, 354480, 357645, 381488, 413560, 442960, 476860, 496272, 500703, 572232, 620340, 664440, 667604, 715290, 827120, 834505, 953720, 1001406, 1144464, 1168307, 1240680, 1328880, 1335208, 1430580, 1669010, 1907440, 2002812, 2336614, 2481360, 2503515, 2670416, 2861160, 3338020, 3504921, 4005624, 4673228, 5007030, 5722320, 5841535, 6676040, 7009842, 8011248, 9346456, 10014060, 11683070, 13352080, 14019684, 17524605, 18692912, 20028120, 23366140, 28039368, 35049210, 40056240, 46732280, 56078736, 70098420, 93464560, 140196840, 280393680]

約数ペア:

[(1, 280393680), (2, 140196840), (3, 93464560), (4, 70098420), (5, 56078736), (6, 46732280), (7, 40056240), (8, 35049210), (10, 28039368), (12, 23366140), (14, 20028120), (15, 18692912), (16, 17524605), (20, 14019684), (21, 13352080), (24, 11683070), (28, 10014060), (30, 9346456), (35, 8011248), (40, 7009842), (42, 6676040), (48, 5841535), (49, 5722320), (56, 5007030), (60, 4673228), (70, 4005624), (80, 3504921), (84, 3338020), (98, 2861160), (105, 2670416), (112, 2503515), (113, 2481360), (120, 2336614), (140, 2002812), (147, 1907440), (168, 1669010), (196, 1430580), (210, 1335208), (211, 1328880), (226, 1240680), (240, 1168307), (245, 1144464), (280, 1001406), (294, 953720), (336, 834505), (339, 827120), (392, 715290), (420, 667604), (422, 664440), (452, 620340), (490, 572232), (560, 500703), (565, 496272), (588, 476860), (633, 442960), (678, 413560), (735, 381488), (784, 357645), (791, 354480), (840, 333802), (844, 332220), (904, 310170), (980, 286116), (1055, 265776), (1130, 248136), (1176, 238430), (1266, 221480), (1356, 206780), (1470, 190744), (1477, 189840), (1582, 177240), (1680, 166901), (1688, 166110), (1695, 165424), (1808, 155085), (1960, 143058), (2110, 132888), (2260, 124068), (2352, 119215), (2373, 118160), (2532, 110740), (2712, 103390), (2940, 95372), (2954, 94920), (3164, 88620), (3165, 88592), (3376, 83055), (3390, 82712), (3920, 71529), (3955, 70896), (4220, 66444), (4431, 63280), (4520, 62034), (4746, 59080), (5064, 55370), (5424, 51695), (5537, 50640), (5880, 47686), (5908, 47460), (6328, 44310), (6330, 44296), (6780, 41356), (7385, 37968), (7910, 35448), (8440, 33222), (8862, 31640), (9040, 31017), (9492, 29540), (10128, 27685), (10339, 27120), (11074, 25320), (11760, 23843), (11816, 23730), (11865, 23632), (12656, 22155), (12660, 22148), (13560, 20678), (14770, 18984), (15820, 17724), (16611, 16880)]