251509440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2919

約数の個数: 224

約数和(自身を含む): 983162880

約数和(自身を除く): 731653440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2240, 2496, 2730, 2879, 2912, 3120, 3360, 3640, 4160, 4368, 5460, 5758, 5824, 6240, 6720, 7280, 8637, 8736, 10920, 11516, 12480, 14395, 14560, 17274, 17472, 20153, 21840, 23032, 28790, 29120, 34548, 37427, 40306, 43185, 43680, 46064, 57580, 60459, 69096, 74854, 80612, 86370, 87360, 92128, 100765, 112281, 115160, 120918, 138192, 149708, 161224, 172740, 184256, 187135, 201530, 224562, 230320, 241836, 261989, 276384, 299416, 302295, 322448, 345480, 374270, 403060, 449124, 460640, 483672, 523978, 552768, 561405, 598832, 604590, 644896, 690960, 748540, 785967, 806120, 898248, 921280, 967344, 1047956, 1122810, 1197664, 1209180, 1289792, 1309945, 1381920, 1497080, 1571934, 1612240, 1796496, 1934688, 2095912, 2245620, 2395328, 2418360, 2619890, 2763840, 2994160, 3143868, 3224480, 3592992, 3869376, 3929835, 4191824, 4491240, 4836720, 5239780, 5988320, 6287736, 6448960, 7185984, 7859670, 8383648, 8982480, 9673440, 10479560, 11976640, 12575472, 15719340, 16767296, 17964960, 19346880, 20959120, 25150944, 31438680, 35929920, 41918240, 50301888, 62877360, 83836480, 125754720, 251509440]

約数ペア:

[(1, 251509440), (2, 125754720), (3, 83836480), (4, 62877360), (5, 50301888), (6, 41918240), (7, 35929920), (8, 31438680), (10, 25150944), (12, 20959120), (13, 19346880), (14, 17964960), (15, 16767296), (16, 15719340), (20, 12575472), (21, 11976640), (24, 10479560), (26, 9673440), (28, 8982480), (30, 8383648), (32, 7859670), (35, 7185984), (39, 6448960), (40, 6287736), (42, 5988320), (48, 5239780), (52, 4836720), (56, 4491240), (60, 4191824), (64, 3929835), (65, 3869376), (70, 3592992), (78, 3224480), (80, 3143868), (84, 2994160), (91, 2763840), (96, 2619890), (104, 2418360), (105, 2395328), (112, 2245620), (120, 2095912), (130, 1934688), (140, 1796496), (156, 1612240), (160, 1571934), (168, 1497080), (182, 1381920), (192, 1309945), (195, 1289792), (208, 1209180), (210, 1197664), (224, 1122810), (240, 1047956), (260, 967344), (273, 921280), (280, 898248), (312, 806120), (320, 785967), (336, 748540), (364, 690960), (390, 644896), (416, 604590), (420, 598832), (448, 561405), (455, 552768), (480, 523978), (520, 483672), (546, 460640), (560, 449124), (624, 403060), (672, 374270), (728, 345480), (780, 322448), (832, 302295), (840, 299416), (910, 276384), (960, 261989), (1040, 241836), (1092, 230320), (1120, 224562), (1248, 201530), (1344, 187135), (1365, 184256), (1456, 172740), (1560, 161224), (1680, 149708), (1820, 138192), (2080, 120918), (2184, 115160), (2240, 112281), (2496, 100765), (2730, 92128), (2879, 87360), (2912, 86370), (3120, 80612), (3360, 74854), (3640, 69096), (4160, 60459), (4368, 57580), (5460, 46064), (5758, 43680), (5824, 43185), (6240, 40306), (6720, 37427), (7280, 34548), (8637, 29120), (8736, 28790), (10920, 23032), (11516, 21840), (12480, 20153), (14395, 17472), (14560, 17274)]