257575590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 751196160

約数和(自身を除く): 493620570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 43, 45, 57, 62, 86, 90, 93, 95, 113, 114, 129, 155, 171, 186, 190, 215, 226, 258, 279, 285, 310, 339, 342, 387, 430, 465, 558, 565, 570, 589, 645, 678, 774, 817, 855, 930, 1017, 1130, 1178, 1290, 1333, 1395, 1634, 1695, 1710, 1767, 1935, 2034, 2147, 2451, 2666, 2790, 2945, 3390, 3503, 3534, 3870, 3999, 4085, 4294, 4859, 4902, 5085, 5301, 5890, 6441, 6665, 7006, 7353, 7998, 8170, 8835, 9718, 10170, 10509, 10602, 10735, 11997, 12255, 12882, 13330, 14577, 14706, 17515, 17670, 19323, 19995, 21018, 21470, 23994, 24295, 24510, 25327, 26505, 29154, 31527, 32205, 35030, 36765, 38646, 39990, 43731, 48590, 50654, 52545, 53010, 59985, 63054, 64410, 66557, 72885, 73530, 75981, 87462, 92321, 96615, 105090, 119970, 126635, 133114, 145770, 150629, 151962, 157635, 184642, 193230, 199671, 218655, 227943, 253270, 276963, 301258, 315270, 332785, 379905, 399342, 437310, 451887, 455886, 461605, 553926, 599013, 665570, 753145, 759810, 830889, 903774, 923210, 998355, 1139715, 1198026, 1355661, 1384815, 1506290, 1661778, 1996710, 2259435, 2279430, 2711322, 2769630, 2861951, 2995065, 4154445, 4518870, 5723902, 5990130, 6778305, 8308890, 8585853, 13556610, 14309755, 17171706, 25757559, 28619510, 42929265, 51515118, 85858530, 128787795, 257575590]

約数ペア:

[(1, 257575590), (2, 128787795), (3, 85858530), (5, 51515118), (6, 42929265), (9, 28619510), (10, 25757559), (15, 17171706), (18, 14309755), (19, 13556610), (30, 8585853), (31, 8308890), (38, 6778305), (43, 5990130), (45, 5723902), (57, 4518870), (62, 4154445), (86, 2995065), (90, 2861951), (93, 2769630), (95, 2711322), (113, 2279430), (114, 2259435), (129, 1996710), (155, 1661778), (171, 1506290), (186, 1384815), (190, 1355661), (215, 1198026), (226, 1139715), (258, 998355), (279, 923210), (285, 903774), (310, 830889), (339, 759810), (342, 753145), (387, 665570), (430, 599013), (465, 553926), (558, 461605), (565, 455886), (570, 451887), (589, 437310), (645, 399342), (678, 379905), (774, 332785), (817, 315270), (855, 301258), (930, 276963), (1017, 253270), (1130, 227943), (1178, 218655), (1290, 199671), (1333, 193230), (1395, 184642), (1634, 157635), (1695, 151962), (1710, 150629), (1767, 145770), (1935, 133114), (2034, 126635), (2147, 119970), (2451, 105090), (2666, 96615), (2790, 92321), (2945, 87462), (3390, 75981), (3503, 73530), (3534, 72885), (3870, 66557), (3999, 64410), (4085, 63054), (4294, 59985), (4859, 53010), (4902, 52545), (5085, 50654), (5301, 48590), (5890, 43731), (6441, 39990), (6665, 38646), (7006, 36765), (7353, 35030), (7998, 32205), (8170, 31527), (8835, 29154), (9718, 26505), (10170, 25327), (10509, 24510), (10602, 24295), (10735, 23994), (11997, 21470), (12255, 21018), (12882, 19995), (13330, 19323), (14577, 17670), (14706, 17515)]