80351520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 275425920

約数和(自身を除く): 195074400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 96, 102, 120, 129, 136, 160, 170, 172, 204, 215, 229, 240, 255, 258, 272, 340, 344, 408, 430, 458, 480, 510, 516, 544, 645, 680, 687, 688, 731, 816, 860, 916, 1020, 1032, 1145, 1290, 1360, 1374, 1376, 1462, 1632, 1720, 1832, 2040, 2064, 2193, 2290, 2580, 2720, 2748, 2924, 3435, 3440, 3655, 3664, 3893, 4080, 4128, 4386, 4580, 5160, 5496, 5848, 6870, 6880, 7310, 7328, 7786, 8160, 8772, 9160, 9847, 10320, 10965, 10992, 11679, 11696, 13740, 14620, 15572, 17544, 18320, 19465, 19694, 20640, 21930, 21984, 23358, 23392, 27480, 29240, 29541, 31144, 35088, 36640, 38930, 39388, 43860, 46716, 49235, 54960, 58395, 58480, 59082, 62288, 70176, 77860, 78776, 87720, 93432, 98470, 109920, 116790, 116960, 118164, 124576, 147705, 155720, 157552, 167399, 175440, 186864, 196940, 233580, 236328, 295410, 311440, 315104, 334798, 350880, 373728, 393880, 467160, 472656, 502197, 590820, 622880, 669596, 787760, 836995, 934320, 945312, 1004394, 1181640, 1339192, 1575520, 1673990, 1868640, 2008788, 2363280, 2510985, 2678384, 3347980, 4017576, 4726560, 5021970, 5356768, 6695960, 8035152, 10043940, 13391920, 16070304, 20087880, 26783840, 40175760, 80351520]

約数ペア:

[(1, 80351520), (2, 40175760), (3, 26783840), (4, 20087880), (5, 16070304), (6, 13391920), (8, 10043940), (10, 8035152), (12, 6695960), (15, 5356768), (16, 5021970), (17, 4726560), (20, 4017576), (24, 3347980), (30, 2678384), (32, 2510985), (34, 2363280), (40, 2008788), (43, 1868640), (48, 1673990), (51, 1575520), (60, 1339192), (68, 1181640), (80, 1004394), (85, 945312), (86, 934320), (96, 836995), (102, 787760), (120, 669596), (129, 622880), (136, 590820), (160, 502197), (170, 472656), (172, 467160), (204, 393880), (215, 373728), (229, 350880), (240, 334798), (255, 315104), (258, 311440), (272, 295410), (340, 236328), (344, 233580), (408, 196940), (430, 186864), (458, 175440), (480, 167399), (510, 157552), (516, 155720), (544, 147705), (645, 124576), (680, 118164), (687, 116960), (688, 116790), (731, 109920), (816, 98470), (860, 93432), (916, 87720), (1020, 78776), (1032, 77860), (1145, 70176), (1290, 62288), (1360, 59082), (1374, 58480), (1376, 58395), (1462, 54960), (1632, 49235), (1720, 46716), (1832, 43860), (2040, 39388), (2064, 38930), (2193, 36640), (2290, 35088), (2580, 31144), (2720, 29541), (2748, 29240), (2924, 27480), (3435, 23392), (3440, 23358), (3655, 21984), (3664, 21930), (3893, 20640), (4080, 19694), (4128, 19465), (4386, 18320), (4580, 17544), (5160, 15572), (5496, 14620), (5848, 13740), (6870, 11696), (6880, 11679), (7310, 10992), (7328, 10965), (7786, 10320), (8160, 9847), (8772, 9160)]