202712320

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 518031360

約数和(自身を除く): 315319040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 127, 128, 145, 160, 172, 215, 232, 254, 256, 290, 320, 344, 430, 464, 508, 580, 635, 640, 688, 860, 928, 1016, 1160, 1247, 1270, 1280, 1376, 1720, 1856, 2032, 2320, 2494, 2540, 2752, 3440, 3683, 3712, 4064, 4640, 4988, 5080, 5461, 5504, 6235, 6880, 7366, 7424, 8128, 9280, 9976, 10160, 10922, 11008, 12470, 13760, 14732, 16256, 18415, 18560, 19952, 20320, 21844, 24940, 27305, 27520, 29464, 32512, 36830, 37120, 39904, 40640, 43688, 49880, 54610, 55040, 58928, 73660, 79808, 81280, 87376, 99760, 109220, 117856, 147320, 158369, 159616, 162560, 174752, 199520, 218440, 235712, 294640, 316738, 319232, 349504, 399040, 436880, 471424, 589280, 633476, 699008, 791845, 798080, 873760, 942848, 1178560, 1266952, 1398016, 1583690, 1596160, 1747520, 2357120, 2533904, 3167380, 3495040, 4714240, 5067808, 6334760, 6990080, 10135616, 12669520, 20271232, 25339040, 40542464, 50678080, 101356160, 202712320]

約数ペア:

[(1, 202712320), (2, 101356160), (4, 50678080), (5, 40542464), (8, 25339040), (10, 20271232), (16, 12669520), (20, 10135616), (29, 6990080), (32, 6334760), (40, 5067808), (43, 4714240), (58, 3495040), (64, 3167380), (80, 2533904), (86, 2357120), (116, 1747520), (127, 1596160), (128, 1583690), (145, 1398016), (160, 1266952), (172, 1178560), (215, 942848), (232, 873760), (254, 798080), (256, 791845), (290, 699008), (320, 633476), (344, 589280), (430, 471424), (464, 436880), (508, 399040), (580, 349504), (635, 319232), (640, 316738), (688, 294640), (860, 235712), (928, 218440), (1016, 199520), (1160, 174752), (1247, 162560), (1270, 159616), (1280, 158369), (1376, 147320), (1720, 117856), (1856, 109220), (2032, 99760), (2320, 87376), (2494, 81280), (2540, 79808), (2752, 73660), (3440, 58928), (3683, 55040), (3712, 54610), (4064, 49880), (4640, 43688), (4988, 40640), (5080, 39904), (5461, 37120), (5504, 36830), (6235, 32512), (6880, 29464), (7366, 27520), (7424, 27305), (8128, 24940), (9280, 21844), (9976, 20320), (10160, 19952), (10922, 18560), (11008, 18415), (12470, 16256), (13760, 14732)]