257836176

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1542

約数の個数: 160

約数和(自身を含む): 823280640

約数和(自身を除く): 565444464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 36, 39, 48, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 144, 156, 186, 208, 216, 234, 248, 279, 312, 351, 372, 403, 432, 468, 496, 558, 624, 702, 744, 806, 837, 936, 1116, 1209, 1404, 1481, 1488, 1612, 1674, 1872, 2232, 2418, 2808, 2962, 3224, 3348, 3627, 4443, 4464, 4836, 5616, 5924, 6448, 6696, 7254, 8886, 9672, 10881, 11848, 13329, 13392, 14508, 17772, 19253, 19344, 21762, 23696, 26658, 29016, 35544, 38506, 39987, 43524, 45911, 53316, 57759, 58032, 71088, 77012, 79974, 87048, 91822, 106632, 115518, 137733, 154024, 159948, 173277, 174096, 183644, 213264, 231036, 275466, 308048, 319896, 346554, 367288, 413199, 462072, 519831, 550932, 596843, 639792, 693108, 734576, 826398, 924144, 1039662, 1101864, 1193686, 1239597, 1386216, 1652796, 1790529, 2079324, 2203728, 2387372, 2479194, 2772432, 3305592, 3581058, 4158648, 4774744, 4958388, 5371587, 6611184, 7162116, 8317296, 9549488, 9916776, 10743174, 14324232, 16114761, 19833552, 21486348, 28648464, 32229522, 42972696, 64459044, 85945392, 128918088, 257836176]

約数ペア:

[(1, 257836176), (2, 128918088), (3, 85945392), (4, 64459044), (6, 42972696), (8, 32229522), (9, 28648464), (12, 21486348), (13, 19833552), (16, 16114761), (18, 14324232), (24, 10743174), (26, 9916776), (27, 9549488), (31, 8317296), (36, 7162116), (39, 6611184), (48, 5371587), (52, 4958388), (54, 4774744), (62, 4158648), (72, 3581058), (78, 3305592), (93, 2772432), (104, 2479194), (108, 2387372), (117, 2203728), (124, 2079324), (144, 1790529), (156, 1652796), (186, 1386216), (208, 1239597), (216, 1193686), (234, 1101864), (248, 1039662), (279, 924144), (312, 826398), (351, 734576), (372, 693108), (403, 639792), (432, 596843), (468, 550932), (496, 519831), (558, 462072), (624, 413199), (702, 367288), (744, 346554), (806, 319896), (837, 308048), (936, 275466), (1116, 231036), (1209, 213264), (1404, 183644), (1481, 174096), (1488, 173277), (1612, 159948), (1674, 154024), (1872, 137733), (2232, 115518), (2418, 106632), (2808, 91822), (2962, 87048), (3224, 79974), (3348, 77012), (3627, 71088), (4443, 58032), (4464, 57759), (4836, 53316), (5616, 45911), (5924, 43524), (6448, 39987), (6696, 38506), (7254, 35544), (8886, 29016), (9672, 26658), (10881, 23696), (11848, 21762), (13329, 19344), (13392, 19253), (14508, 17772)]