1284307640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:946

約数の個数: 192

約数和(自身を含む): 3723148800

約数和(自身を除く): 2438841160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 71, 77, 88, 98, 110, 140, 142, 154, 196, 220, 245, 280, 284, 308, 355, 385, 392, 440, 490, 497, 539, 568, 616, 710, 770, 781, 839, 980, 994, 1078, 1420, 1540, 1562, 1678, 1960, 1988, 2156, 2485, 2695, 2840, 3080, 3124, 3356, 3479, 3905, 3976, 4195, 4312, 4970, 5390, 5467, 5873, 6248, 6712, 6958, 7810, 8390, 9229, 9940, 10780, 10934, 11746, 13916, 15620, 16780, 17395, 18458, 19880, 21560, 21868, 23492, 27335, 27832, 29365, 31240, 33560, 34790, 36916, 38269, 41111, 43736, 46145, 46984, 54670, 58730, 59569, 64603, 69580, 73832, 76538, 82222, 92290, 109340, 117460, 119138, 129206, 139160, 153076, 164444, 184580, 191345, 205555, 218680, 234920, 238276, 258412, 297845, 306152, 323015, 328888, 369160, 382690, 411110, 416983, 452221, 476552, 516824, 595690, 646030, 655259, 765380, 822220, 833966, 904442, 1191380, 1292060, 1310518, 1530760, 1644440, 1667932, 1808884, 2084915, 2261105, 2382760, 2584120, 2621036, 2918881, 3276295, 3335864, 3617768, 4169830, 4522210, 4586813, 5242072, 5837762, 6552590, 8339660, 9044420, 9173626, 11675524, 13105180, 14594405, 16679320, 18088840, 18347252, 22934065, 23351048, 26210360, 29188810, 32107691, 36694504, 45868130, 58377620, 64215382, 91736260, 116755240, 128430764, 160538455, 183472520, 256861528, 321076910, 642153820, 1284307640]

約数ペア:

[(1, 1284307640), (2, 642153820), (4, 321076910), (5, 256861528), (7, 183472520), (8, 160538455), (10, 128430764), (11, 116755240), (14, 91736260), (20, 64215382), (22, 58377620), (28, 45868130), (35, 36694504), (40, 32107691), (44, 29188810), (49, 26210360), (55, 23351048), (56, 22934065), (70, 18347252), (71, 18088840), (77, 16679320), (88, 14594405), (98, 13105180), (110, 11675524), (140, 9173626), (142, 9044420), (154, 8339660), (196, 6552590), (220, 5837762), (245, 5242072), (280, 4586813), (284, 4522210), (308, 4169830), (355, 3617768), (385, 3335864), (392, 3276295), (440, 2918881), (490, 2621036), (497, 2584120), (539, 2382760), (568, 2261105), (616, 2084915), (710, 1808884), (770, 1667932), (781, 1644440), (839, 1530760), (980, 1310518), (994, 1292060), (1078, 1191380), (1420, 904442), (1540, 833966), (1562, 822220), (1678, 765380), (1960, 655259), (1988, 646030), (2156, 595690), (2485, 516824), (2695, 476552), (2840, 452221), (3080, 416983), (3124, 411110), (3356, 382690), (3479, 369160), (3905, 328888), (3976, 323015), (4195, 306152), (4312, 297845), (4970, 258412), (5390, 238276), (5467, 234920), (5873, 218680), (6248, 205555), (6712, 191345), (6958, 184580), (7810, 164444), (8390, 153076), (9229, 139160), (9940, 129206), (10780, 119138), (10934, 117460), (11746, 109340), (13916, 92290), (15620, 82222), (16780, 76538), (17395, 73832), (18458, 69580), (19880, 64603), (21560, 59569), (21868, 58730), (23492, 54670), (27335, 46984), (27832, 46145), (29365, 43736), (31240, 41111), (33560, 38269), (34790, 36916)]