398617440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 1365590016

約数和(自身を除く): 966972576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 127, 130, 156, 160, 195, 208, 240, 254, 260, 312, 381, 390, 416, 480, 503, 508, 520, 624, 635, 762, 780, 1006, 1016, 1040, 1248, 1270, 1509, 1524, 1560, 1651, 1905, 2012, 2032, 2080, 2515, 2540, 3018, 3048, 3120, 3302, 3810, 4024, 4064, 4953, 5030, 5080, 6036, 6096, 6240, 6539, 6604, 7545, 7620, 8048, 8255, 9906, 10060, 10160, 12072, 12192, 13078, 13208, 15090, 15240, 16096, 16510, 19617, 19812, 20120, 20320, 24144, 24765, 26156, 26416, 30180, 30480, 32695, 33020, 39234, 39624, 40240, 48288, 49530, 52312, 52832, 60360, 60960, 63881, 65390, 66040, 78468, 79248, 80480, 98085, 99060, 104624, 120720, 127762, 130780, 132080, 156936, 158496, 191643, 196170, 198120, 209248, 241440, 255524, 261560, 264160, 313872, 319405, 383286, 392340, 396240, 511048, 523120, 627744, 638810, 766572, 784680, 792480, 830453, 958215, 1022096, 1046240, 1277620, 1533144, 1569360, 1660906, 1916430, 2044192, 2491359, 2555240, 3066288, 3138720, 3321812, 3832860, 4152265, 4982718, 5110480, 6132576, 6643624, 7665720, 8304530, 9965436, 10220960, 12456795, 13287248, 15331440, 16609060, 19930872, 24913590, 26574496, 30662880, 33218120, 39861744, 49827180, 66436240, 79723488, 99654360, 132872480, 199308720, 398617440]

約数ペア:

[(1, 398617440), (2, 199308720), (3, 132872480), (4, 99654360), (5, 79723488), (6, 66436240), (8, 49827180), (10, 39861744), (12, 33218120), (13, 30662880), (15, 26574496), (16, 24913590), (20, 19930872), (24, 16609060), (26, 15331440), (30, 13287248), (32, 12456795), (39, 10220960), (40, 9965436), (48, 8304530), (52, 7665720), (60, 6643624), (65, 6132576), (78, 5110480), (80, 4982718), (96, 4152265), (104, 3832860), (120, 3321812), (127, 3138720), (130, 3066288), (156, 2555240), (160, 2491359), (195, 2044192), (208, 1916430), (240, 1660906), (254, 1569360), (260, 1533144), (312, 1277620), (381, 1046240), (390, 1022096), (416, 958215), (480, 830453), (503, 792480), (508, 784680), (520, 766572), (624, 638810), (635, 627744), (762, 523120), (780, 511048), (1006, 396240), (1016, 392340), (1040, 383286), (1248, 319405), (1270, 313872), (1509, 264160), (1524, 261560), (1560, 255524), (1651, 241440), (1905, 209248), (2012, 198120), (2032, 196170), (2080, 191643), (2515, 158496), (2540, 156936), (3018, 132080), (3048, 130780), (3120, 127762), (3302, 120720), (3810, 104624), (4024, 99060), (4064, 98085), (4953, 80480), (5030, 79248), (5080, 78468), (6036, 66040), (6096, 65390), (6240, 63881), (6539, 60960), (6604, 60360), (7545, 52832), (7620, 52312), (8048, 49530), (8255, 48288), (9906, 40240), (10060, 39624), (10160, 39234), (12072, 33020), (12192, 32695), (13078, 30480), (13208, 30180), (15090, 26416), (15240, 26156), (16096, 24765), (16510, 24144), (19617, 20320), (19812, 20120)]