642779520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 256

約数和(自身を含む): 2220825600

約数和(自身を除く): 1578046080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 47, 48, 51, 60, 64, 68, 80, 85, 94, 96, 102, 120, 128, 136, 141, 160, 170, 188, 192, 204, 235, 240, 255, 272, 282, 320, 340, 376, 384, 408, 419, 470, 480, 510, 544, 564, 640, 680, 705, 752, 799, 816, 838, 940, 960, 1020, 1088, 1128, 1257, 1360, 1410, 1504, 1598, 1632, 1676, 1880, 1920, 2040, 2095, 2176, 2256, 2397, 2514, 2720, 2820, 3008, 3196, 3264, 3352, 3760, 3995, 4080, 4190, 4512, 4794, 5028, 5440, 5640, 6016, 6285, 6392, 6528, 6704, 7123, 7520, 7990, 8160, 8380, 9024, 9588, 10056, 10880, 11280, 11985, 12570, 12784, 13408, 14246, 15040, 15980, 16320, 16760, 18048, 19176, 19693, 20112, 21369, 22560, 23970, 25140, 25568, 26816, 28492, 30080, 31960, 32640, 33520, 35615, 38352, 39386, 40224, 42738, 45120, 47940, 50280, 51136, 53632, 56984, 59079, 63920, 67040, 71230, 76704, 78772, 80448, 85476, 90240, 95880, 98465, 100560, 102272, 106845, 113968, 118158, 127840, 134080, 142460, 153408, 157544, 160896, 170952, 191760, 196930, 201120, 213690, 227936, 236316, 255680, 268160, 284920, 295395, 306816, 315088, 334781, 341904, 383520, 393860, 402240, 427380, 455872, 472632, 511360, 569840, 590790, 630176, 669562, 683808, 767040, 787720, 804480, 854760, 911744, 945264, 1004343, 1139680, 1181580, 1260352, 1339124, 1367616, 1534080, 1575440, 1673905, 1709520, 1890528, 2008686, 2279360, 2363160, 2520704, 2678248, 2735232, 3150880, 3347810, 3419040, 3781056, 4017372, 4558720, 4726320, 5021715, 5356496, 6301760, 6695620, 6838080, 7562112, 8034744, 9452640, 10043430, 10712992, 12603520, 13391240, 13676160, 16069488, 18905280, 20086860, 21425984, 26782480, 32138976, 37810560, 40173720, 42851968, 53564960, 64277952, 80347440, 107129920, 128555904, 160694880, 214259840, 321389760, 642779520]

約数ペア:

[(1, 642779520), (2, 321389760), (3, 214259840), (4, 160694880), (5, 128555904), (6, 107129920), (8, 80347440), (10, 64277952), (12, 53564960), (15, 42851968), (16, 40173720), (17, 37810560), (20, 32138976), (24, 26782480), (30, 21425984), (32, 20086860), (34, 18905280), (40, 16069488), (47, 13676160), (48, 13391240), (51, 12603520), (60, 10712992), (64, 10043430), (68, 9452640), (80, 8034744), (85, 7562112), (94, 6838080), (96, 6695620), (102, 6301760), (120, 5356496), (128, 5021715), (136, 4726320), (141, 4558720), (160, 4017372), (170, 3781056), (188, 3419040), (192, 3347810), (204, 3150880), (235, 2735232), (240, 2678248), (255, 2520704), (272, 2363160), (282, 2279360), (320, 2008686), (340, 1890528), (376, 1709520), (384, 1673905), (408, 1575440), (419, 1534080), (470, 1367616), (480, 1339124), (510, 1260352), (544, 1181580), (564, 1139680), (640, 1004343), (680, 945264), (705, 911744), (752, 854760), (799, 804480), (816, 787720), (838, 767040), (940, 683808), (960, 669562), (1020, 630176), (1088, 590790), (1128, 569840), (1257, 511360), (1360, 472632), (1410, 455872), (1504, 427380), (1598, 402240), (1632, 393860), (1676, 383520), (1880, 341904), (1920, 334781), (2040, 315088), (2095, 306816), (2176, 295395), (2256, 284920), (2397, 268160), (2514, 255680), (2720, 236316), (2820, 227936), (3008, 213690), (3196, 201120), (3264, 196930), (3352, 191760), (3760, 170952), (3995, 160896), (4080, 157544), (4190, 153408), (4512, 142460), (4794, 134080), (5028, 127840), (5440, 118158), (5640, 113968), (6016, 106845), (6285, 102272), (6392, 100560), (6528, 98465), (6704, 95880), (7123, 90240), (7520, 85476), (7990, 80448), (8160, 78772), (8380, 76704), (9024, 71230), (9588, 67040), (10056, 63920), (10880, 59079), (11280, 56984), (11985, 53632), (12570, 51136), (12784, 50280), (13408, 47940), (14246, 45120), (15040, 42738), (15980, 40224), (16320, 39386), (16760, 38352), (18048, 35615), (19176, 33520), (19693, 32640), (20112, 31960), (21369, 30080), (22560, 28492), (23970, 26816), (25140, 25568)]