261348360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 991362240

約数和(自身を除く): 730013880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 169, 182, 195, 196, 210, 245, 260, 263, 273, 280, 294, 312, 338, 364, 390, 392, 420, 455, 490, 507, 520, 526, 546, 588, 637, 676, 728, 735, 780, 789, 840, 845, 910, 980, 1014, 1052, 1092, 1176, 1183, 1274, 1315, 1352, 1365, 1470, 1560, 1578, 1690, 1820, 1841, 1911, 1960, 2028, 2104, 2184, 2366, 2535, 2548, 2630, 2730, 2940, 3156, 3185, 3380, 3419, 3549, 3640, 3682, 3822, 3945, 4056, 4732, 5070, 5096, 5260, 5460, 5523, 5880, 5915, 6312, 6370, 6760, 6838, 7098, 7364, 7644, 7890, 8281, 9205, 9464, 9555, 10140, 10257, 10520, 10920, 11046, 11830, 12740, 12887, 13676, 14196, 14728, 15288, 15780, 16562, 17095, 17745, 18410, 19110, 20280, 20514, 22092, 23660, 23933, 24843, 25480, 25774, 27352, 27615, 28392, 31560, 33124, 34190, 35490, 36820, 38220, 38661, 41028, 41405, 44184, 44447, 47320, 47866, 49686, 51285, 51548, 55230, 64435, 66248, 68380, 70980, 71799, 73640, 76440, 77322, 82056, 82810, 88894, 95732, 99372, 102570, 103096, 110460, 119665, 124215, 128870, 133341, 136760, 141960, 143598, 154644, 165620, 167531, 177788, 191464, 193305, 198744, 205140, 220920, 222235, 239330, 248430, 257740, 266682, 287196, 309288, 311129, 331240, 335062, 355576, 358995, 386610, 410280, 444470, 478660, 496860, 502593, 515480, 533364, 574392, 622258, 666705, 670124, 717990, 773220, 837655, 888940, 933387, 957320, 993720, 1005186, 1066728, 1244516, 1333410, 1340248, 1435980, 1546440, 1555645, 1675310, 1777880, 1866774, 2010372, 2177903, 2489032, 2512965, 2666820, 2871960, 3111290, 3350620, 3733548, 4020744, 4355806, 4666935, 5025930, 5333640, 6222580, 6533709, 6701240, 7467096, 8711612, 9333870, 10051860, 10889515, 12445160, 13067418, 17423224, 18667740, 20103720, 21779030, 26134836, 32668545, 37335480, 43558060, 52269672, 65337090, 87116120, 130674180, 261348360]

約数ペア:

[(1, 261348360), (2, 130674180), (3, 87116120), (4, 65337090), (5, 52269672), (6, 43558060), (7, 37335480), (8, 32668545), (10, 26134836), (12, 21779030), (13, 20103720), (14, 18667740), (15, 17423224), (20, 13067418), (21, 12445160), (24, 10889515), (26, 10051860), (28, 9333870), (30, 8711612), (35, 7467096), (39, 6701240), (40, 6533709), (42, 6222580), (49, 5333640), (52, 5025930), (56, 4666935), (60, 4355806), (65, 4020744), (70, 3733548), (78, 3350620), (84, 3111290), (91, 2871960), (98, 2666820), (104, 2512965), (105, 2489032), (120, 2177903), (130, 2010372), (140, 1866774), (147, 1777880), (156, 1675310), (168, 1555645), (169, 1546440), (182, 1435980), (195, 1340248), (196, 1333410), (210, 1244516), (245, 1066728), (260, 1005186), (263, 993720), (273, 957320), (280, 933387), (294, 888940), (312, 837655), (338, 773220), (364, 717990), (390, 670124), (392, 666705), (420, 622258), (455, 574392), (490, 533364), (507, 515480), (520, 502593), (526, 496860), (546, 478660), (588, 444470), (637, 410280), (676, 386610), (728, 358995), (735, 355576), (780, 335062), (789, 331240), (840, 311129), (845, 309288), (910, 287196), (980, 266682), (1014, 257740), (1052, 248430), (1092, 239330), (1176, 222235), (1183, 220920), (1274, 205140), (1315, 198744), (1352, 193305), (1365, 191464), (1470, 177788), (1560, 167531), (1578, 165620), (1690, 154644), (1820, 143598), (1841, 141960), (1911, 136760), (1960, 133341), (2028, 128870), (2104, 124215), (2184, 119665), (2366, 110460), (2535, 103096), (2548, 102570), (2630, 99372), (2730, 95732), (2940, 88894), (3156, 82810), (3185, 82056), (3380, 77322), (3419, 76440), (3549, 73640), (3640, 71799), (3682, 70980), (3822, 68380), (3945, 66248), (4056, 64435), (4732, 55230), (5070, 51548), (5096, 51285), (5260, 49686), (5460, 47866), (5523, 47320), (5880, 44447), (5915, 44184), (6312, 41405), (6370, 41028), (6760, 38661), (6838, 38220), (7098, 36820), (7364, 35490), (7644, 34190), (7890, 33124), (8281, 31560), (9205, 28392), (9464, 27615), (9555, 27352), (10140, 25774), (10257, 25480), (10520, 24843), (10920, 23933), (11046, 23660), (11830, 22092), (12740, 20514), (12887, 20280), (13676, 19110), (14196, 18410), (14728, 17745), (15288, 17095), (15780, 16562)]