287261520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1922

約数の個数: 240

約数和(自身を含む): 1116178560

約数和(自身を除く): 828917040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1680, 1820, 1879, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3640, 3758, 3822, 3920, 4368, 5096, 5460, 5637, 5880, 6370, 7280, 7516, 7644, 9395, 9555, 10192, 10920, 11274, 11760, 12740, 13153, 15032, 15288, 18790, 19110, 21840, 22548, 24427, 25480, 26306, 28185, 30064, 30576, 37580, 38220, 39459, 45096, 48854, 50960, 52612, 56370, 65765, 73281, 75160, 76440, 78918, 90192, 92071, 97708, 105224, 112740, 122135, 131530, 146562, 150320, 152880, 157836, 170989, 184142, 195416, 197295, 210448, 225480, 244270, 263060, 276213, 293124, 315672, 341978, 366405, 368284, 390832, 394590, 450960, 460355, 488540, 512967, 526120, 552426, 586248, 631344, 683956, 732810, 736568, 789180, 854945, 920710, 977080, 1025934, 1052240, 1104852, 1172496, 1196923, 1367912, 1381065, 1465620, 1473136, 1578360, 1709890, 1841420, 1954160, 2051868, 2209704, 2393846, 2564835, 2735824, 2762130, 2931240, 3156720, 3419780, 3590769, 3682840, 4103736, 4419408, 4787692, 5129670, 5524260, 5862480, 5984615, 6839560, 7181538, 7365680, 8207472, 9575384, 10259340, 11048520, 11969230, 13679120, 14363076, 17953845, 19150768, 20518680, 22097040, 23938460, 28726152, 35907690, 41037360, 47876920, 57452304, 71815380, 95753840, 143630760, 287261520]

約数ペア:

[(1, 287261520), (2, 143630760), (3, 95753840), (4, 71815380), (5, 57452304), (6, 47876920), (7, 41037360), (8, 35907690), (10, 28726152), (12, 23938460), (13, 22097040), (14, 20518680), (15, 19150768), (16, 17953845), (20, 14363076), (21, 13679120), (24, 11969230), (26, 11048520), (28, 10259340), (30, 9575384), (35, 8207472), (39, 7365680), (40, 7181538), (42, 6839560), (48, 5984615), (49, 5862480), (52, 5524260), (56, 5129670), (60, 4787692), (65, 4419408), (70, 4103736), (78, 3682840), (80, 3590769), (84, 3419780), (91, 3156720), (98, 2931240), (104, 2762130), (105, 2735824), (112, 2564835), (120, 2393846), (130, 2209704), (140, 2051868), (147, 1954160), (156, 1841420), (168, 1709890), (182, 1578360), (195, 1473136), (196, 1465620), (208, 1381065), (210, 1367912), (240, 1196923), (245, 1172496), (260, 1104852), (273, 1052240), (280, 1025934), (294, 977080), (312, 920710), (336, 854945), (364, 789180), (390, 736568), (392, 732810), (420, 683956), (455, 631344), (490, 586248), (520, 552426), (546, 526120), (560, 512967), (588, 488540), (624, 460355), (637, 450960), (728, 394590), (735, 390832), (780, 368284), (784, 366405), (840, 341978), (910, 315672), (980, 293124), (1040, 276213), (1092, 263060), (1176, 244270), (1274, 225480), (1365, 210448), (1456, 197295), (1470, 195416), (1560, 184142), (1680, 170989), (1820, 157836), (1879, 152880), (1911, 150320), (1960, 146562), (2184, 131530), (2352, 122135), (2548, 112740), (2730, 105224), (2940, 97708), (3120, 92071), (3185, 90192), (3640, 78918), (3758, 76440), (3822, 75160), (3920, 73281), (4368, 65765), (5096, 56370), (5460, 52612), (5637, 50960), (5880, 48854), (6370, 45096), (7280, 39459), (7516, 38220), (7644, 37580), (9395, 30576), (9555, 30064), (10192, 28185), (10920, 26306), (11274, 25480), (11760, 24427), (12740, 22548), (13153, 21840), (15032, 19110), (15288, 18790)]