320449920

素因数分解:

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

素因数の和:353

約数の個数: 256

約数和(自身を含む): 1183265280

約数和(自身を除く): 862815360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 113, 120, 128, 140, 160, 168, 192, 210, 211, 224, 226, 240, 280, 320, 336, 339, 384, 420, 422, 448, 452, 480, 560, 565, 633, 640, 672, 678, 791, 840, 844, 896, 904, 960, 1055, 1120, 1130, 1266, 1344, 1356, 1477, 1582, 1680, 1688, 1695, 1808, 1920, 2110, 2240, 2260, 2373, 2532, 2688, 2712, 2954, 3164, 3165, 3360, 3376, 3390, 3616, 3955, 4220, 4431, 4480, 4520, 4746, 5064, 5424, 5908, 6328, 6330, 6720, 6752, 6780, 7232, 7385, 7910, 8440, 8862, 9040, 9492, 10128, 10848, 11816, 11865, 12656, 12660, 13440, 13504, 13560, 14464, 14770, 15820, 16880, 17724, 18080, 18984, 20256, 21696, 22155, 23632, 23730, 23843, 25312, 25320, 27008, 27120, 29540, 31640, 33760, 35448, 36160, 37968, 40512, 43392, 44310, 47264, 47460, 47686, 50624, 50640, 54240, 59080, 63280, 67520, 70896, 71529, 72320, 75936, 81024, 88620, 94528, 94920, 95372, 101248, 101280, 108480, 118160, 119215, 126560, 135040, 141792, 143058, 151872, 166901, 177240, 189056, 189840, 190744, 202560, 216960, 236320, 238430, 253120, 283584, 286116, 303744, 333802, 354480, 357645, 379680, 381488, 405120, 472640, 476860, 500703, 506240, 567168, 572232, 667604, 708960, 715290, 759360, 762976, 834505, 945280, 953720, 1001406, 1144464, 1335208, 1417920, 1430580, 1518720, 1525952, 1669010, 1907440, 2002812, 2288928, 2503515, 2670416, 2835840, 2861160, 3051904, 3338020, 3814880, 4005624, 4577856, 5007030, 5340832, 5722320, 6676040, 7629760, 8011248, 9155712, 10014060, 10681664, 11444640, 13352080, 15259520, 16022496, 20028120, 21363328, 22889280, 26704160, 32044992, 40056240, 45778560, 53408320, 64089984, 80112480, 106816640, 160224960, 320449920]

約数ペア:

[(1, 320449920), (2, 160224960), (3, 106816640), (4, 80112480), (5, 64089984), (6, 53408320), (7, 45778560), (8, 40056240), (10, 32044992), (12, 26704160), (14, 22889280), (15, 21363328), (16, 20028120), (20, 16022496), (21, 15259520), (24, 13352080), (28, 11444640), (30, 10681664), (32, 10014060), (35, 9155712), (40, 8011248), (42, 7629760), (48, 6676040), (56, 5722320), (60, 5340832), (64, 5007030), (70, 4577856), (80, 4005624), (84, 3814880), (96, 3338020), (105, 3051904), (112, 2861160), (113, 2835840), (120, 2670416), (128, 2503515), (140, 2288928), (160, 2002812), (168, 1907440), (192, 1669010), (210, 1525952), (211, 1518720), (224, 1430580), (226, 1417920), (240, 1335208), (280, 1144464), (320, 1001406), (336, 953720), (339, 945280), (384, 834505), (420, 762976), (422, 759360), (448, 715290), (452, 708960), (480, 667604), (560, 572232), (565, 567168), (633, 506240), (640, 500703), (672, 476860), (678, 472640), (791, 405120), (840, 381488), (844, 379680), (896, 357645), (904, 354480), (960, 333802), (1055, 303744), (1120, 286116), (1130, 283584), (1266, 253120), (1344, 238430), (1356, 236320), (1477, 216960), (1582, 202560), (1680, 190744), (1688, 189840), (1695, 189056), (1808, 177240), (1920, 166901), (2110, 151872), (2240, 143058), (2260, 141792), (2373, 135040), (2532, 126560), (2688, 119215), (2712, 118160), (2954, 108480), (3164, 101280), (3165, 101248), (3360, 95372), (3376, 94920), (3390, 94528), (3616, 88620), (3955, 81024), (4220, 75936), (4431, 72320), (4480, 71529), (4520, 70896), (4746, 67520), (5064, 63280), (5424, 59080), (5908, 54240), (6328, 50640), (6330, 50624), (6720, 47686), (6752, 47460), (6780, 47264), (7232, 44310), (7385, 43392), (7910, 40512), (8440, 37968), (8862, 36160), (9040, 35448), (9492, 33760), (10128, 31640), (10848, 29540), (11816, 27120), (11865, 27008), (12656, 25320), (12660, 25312), (13440, 23843), (13504, 23730), (13560, 23632), (14464, 22155), (14770, 21696), (15820, 20256), (16880, 18984), (17724, 18080)]