51938640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 194987520

約数和(自身を除く): 143048880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 179, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 358, 360, 372, 390, 403, 465, 468, 496, 520, 537, 558, 585, 620, 624, 716, 720, 744, 780, 806, 895, 930, 936, 1040, 1074, 1116, 1170, 1209, 1240, 1395, 1432, 1488, 1560, 1611, 1612, 1790, 1860, 1872, 2015, 2148, 2232, 2327, 2340, 2418, 2480, 2685, 2790, 2864, 3120, 3222, 3224, 3580, 3627, 3720, 4030, 4296, 4464, 4654, 4680, 4836, 5370, 5549, 5580, 6045, 6444, 6448, 6981, 7160, 7254, 7440, 8055, 8060, 8592, 9308, 9360, 9672, 10740, 11098, 11160, 11635, 12090, 12888, 13962, 14320, 14508, 16110, 16120, 16647, 18135, 18616, 19344, 20943, 21480, 22196, 22320, 23270, 24180, 25776, 27745, 27924, 29016, 32220, 32240, 33294, 34905, 36270, 37232, 41886, 42960, 44392, 46540, 48360, 49941, 55490, 55848, 58032, 64440, 66588, 69810, 72137, 72540, 83235, 83772, 88784, 93080, 96720, 99882, 104715, 110980, 111696, 128880, 133176, 139620, 144274, 145080, 166470, 167544, 186160, 199764, 209430, 216411, 221960, 249705, 266352, 279240, 288548, 290160, 332940, 335088, 360685, 399528, 418860, 432822, 443920, 499410, 558480, 577096, 649233, 665880, 721370, 799056, 837720, 865644, 998820, 1082055, 1154192, 1298466, 1331760, 1442740, 1675440, 1731288, 1997640, 2164110, 2596932, 2885480, 3246165, 3462576, 3995280, 4328220, 5193864, 5770960, 6492330, 8656440, 10387728, 12984660, 17312880, 25969320, 51938640]

約数ペア:

[(1, 51938640), (2, 25969320), (3, 17312880), (4, 12984660), (5, 10387728), (6, 8656440), (8, 6492330), (9, 5770960), (10, 5193864), (12, 4328220), (13, 3995280), (15, 3462576), (16, 3246165), (18, 2885480), (20, 2596932), (24, 2164110), (26, 1997640), (30, 1731288), (31, 1675440), (36, 1442740), (39, 1331760), (40, 1298466), (45, 1154192), (48, 1082055), (52, 998820), (60, 865644), (62, 837720), (65, 799056), (72, 721370), (78, 665880), (80, 649233), (90, 577096), (93, 558480), (104, 499410), (117, 443920), (120, 432822), (124, 418860), (130, 399528), (144, 360685), (155, 335088), (156, 332940), (179, 290160), (180, 288548), (186, 279240), (195, 266352), (208, 249705), (234, 221960), (240, 216411), (248, 209430), (260, 199764), (279, 186160), (310, 167544), (312, 166470), (358, 145080), (360, 144274), (372, 139620), (390, 133176), (403, 128880), (465, 111696), (468, 110980), (496, 104715), (520, 99882), (537, 96720), (558, 93080), (585, 88784), (620, 83772), (624, 83235), (716, 72540), (720, 72137), (744, 69810), (780, 66588), (806, 64440), (895, 58032), (930, 55848), (936, 55490), (1040, 49941), (1074, 48360), (1116, 46540), (1170, 44392), (1209, 42960), (1240, 41886), (1395, 37232), (1432, 36270), (1488, 34905), (1560, 33294), (1611, 32240), (1612, 32220), (1790, 29016), (1860, 27924), (1872, 27745), (2015, 25776), (2148, 24180), (2232, 23270), (2327, 22320), (2340, 22196), (2418, 21480), (2480, 20943), (2685, 19344), (2790, 18616), (2864, 18135), (3120, 16647), (3222, 16120), (3224, 16110), (3580, 14508), (3627, 14320), (3720, 13962), (4030, 12888), (4296, 12090), (4464, 11635), (4654, 11160), (4680, 11098), (4836, 10740), (5370, 9672), (5549, 9360), (5580, 9308), (6045, 8592), (6444, 8060), (6448, 8055), (6981, 7440), (7160, 7254)]