646420320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4933}}^1$

素因数の和:4974

約数の個数: 288

約数和(自身を含む): 2715515712

約数和(自身を除く): 2069095392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 4933, 5040, 5460, 6240, 6552, 7280, 8190, 8736, 9360, 9866, 10080, 10920, 13104, 14560, 14799, 16380, 18720, 19732, 21840, 24665, 26208, 29598, 32760, 34531, 39464, 43680, 44397, 49330, 59196, 64129, 65520, 69062, 73995, 78928, 88794, 98660, 103593, 118392, 128258, 131040, 138124, 147990, 157856, 172655, 177588, 192387, 197320, 207186, 221985, 236784, 256516, 276248, 295980, 310779, 320645, 345310, 355176, 384774, 394640, 414372, 443970, 448903, 473568, 513032, 517965, 552496, 577161, 591960, 621558, 641290, 690620, 710352, 769548, 789280, 828744, 887940, 897806, 961935, 1026064, 1035930, 1104992, 1154322, 1183920, 1243116, 1282580, 1346709, 1381240, 1420704, 1539096, 1553895, 1657488, 1775880, 1795612, 1923870, 2052128, 2071860, 2244515, 2308644, 2367840, 2486232, 2565160, 2693418, 2762480, 2885805, 3078192, 3107790, 3314976, 3551760, 3591224, 3847740, 4040127, 4143720, 4489030, 4617288, 4972464, 5130320, 5386836, 5524960, 5771610, 6156384, 6215580, 6733545, 7103520, 7182448, 7695480, 8080254, 8287440, 8978060, 9234576, 9944928, 10260640, 10773672, 11543220, 12431160, 13467090, 14364896, 15390960, 16160508, 16574880, 17956120, 18469152, 20200635, 21547344, 23086440, 24862320, 26934180, 30781920, 32321016, 35912240, 40401270, 43094688, 46172880, 49724640, 53868360, 64642032, 71824480, 80802540, 92345760, 107736720, 129284064, 161605080, 215473440, 323210160, 646420320]

約数ペア:

[(1, 646420320), (2, 323210160), (3, 215473440), (4, 161605080), (5, 129284064), (6, 107736720), (7, 92345760), (8, 80802540), (9, 71824480), (10, 64642032), (12, 53868360), (13, 49724640), (14, 46172880), (15, 43094688), (16, 40401270), (18, 35912240), (20, 32321016), (21, 30781920), (24, 26934180), (26, 24862320), (28, 23086440), (30, 21547344), (32, 20200635), (35, 18469152), (36, 17956120), (39, 16574880), (40, 16160508), (42, 15390960), (45, 14364896), (48, 13467090), (52, 12431160), (56, 11543220), (60, 10773672), (63, 10260640), (65, 9944928), (70, 9234576), (72, 8978060), (78, 8287440), (80, 8080254), (84, 7695480), (90, 7182448), (91, 7103520), (96, 6733545), (104, 6215580), (105, 6156384), (112, 5771610), (117, 5524960), (120, 5386836), (126, 5130320), (130, 4972464), (140, 4617288), (144, 4489030), (156, 4143720), (160, 4040127), (168, 3847740), (180, 3591224), (182, 3551760), (195, 3314976), (208, 3107790), (210, 3078192), (224, 2885805), (234, 2762480), (240, 2693418), (252, 2565160), (260, 2486232), (273, 2367840), (280, 2308644), (288, 2244515), (312, 2071860), (315, 2052128), (336, 1923870), (360, 1795612), (364, 1775880), (390, 1657488), (416, 1553895), (420, 1539096), (455, 1420704), (468, 1381240), (480, 1346709), (504, 1282580), (520, 1243116), (546, 1183920), (560, 1154322), (585, 1104992), (624, 1035930), (630, 1026064), (672, 961935), (720, 897806), (728, 887940), (780, 828744), (819, 789280), (840, 769548), (910, 710352), (936, 690620), (1008, 641290), (1040, 621558), (1092, 591960), (1120, 577161), (1170, 552496), (1248, 517965), (1260, 513032), (1365, 473568), (1440, 448903), (1456, 443970), (1560, 414372), (1638, 394640), (1680, 384774), (1820, 355176), (1872, 345310), (2016, 320645), (2080, 310779), (2184, 295980), (2340, 276248), (2520, 256516), (2730, 236784), (2912, 221985), (3120, 207186), (3276, 197320), (3360, 192387), (3640, 177588), (3744, 172655), (4095, 157856), (4368, 147990), (4680, 138124), (4933, 131040), (5040, 128258), (5460, 118392), (6240, 103593), (6552, 98660), (7280, 88794), (8190, 78928), (8736, 73995), (9360, 69062), (9866, 65520), (10080, 64129), (10920, 59196), (13104, 49330), (14560, 44397), (14799, 43680), (16380, 39464), (18720, 34531), (19732, 32760), (21840, 29598), (24665, 26208)]