254978766

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 688596480

約数和(自身を除く): 433617714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 59, 63, 74, 81, 103, 111, 118, 126, 162, 177, 189, 206, 222, 259, 309, 333, 354, 378, 413, 518, 531, 567, 618, 666, 721, 777, 826, 927, 999, 1062, 1134, 1239, 1442, 1554, 1593, 1854, 1998, 2163, 2183, 2331, 2478, 2781, 2997, 3186, 3717, 3811, 4326, 4366, 4662, 4779, 5562, 5994, 6077, 6489, 6549, 6993, 7434, 7622, 8343, 9558, 11151, 11433, 12154, 12978, 13098, 13986, 15281, 16686, 18231, 19467, 19647, 20979, 22302, 22866, 26677, 30562, 33453, 34299, 36462, 38934, 39294, 41958, 42539, 45843, 53354, 54693, 58401, 58941, 66906, 68598, 80031, 85078, 91686, 102897, 109386, 116802, 117882, 127617, 137529, 160062, 164079, 176823, 205794, 224849, 240093, 255234, 275058, 308691, 328158, 353646, 382851, 412587, 449698, 480186, 492237, 617382, 674547, 720279, 765702, 825174, 984474, 1148553, 1237761, 1349094, 1440558, 1573943, 2023641, 2160837, 2297106, 2475522, 3147886, 3445659, 4047282, 4321674, 4721829, 6070923, 6891318, 9443658, 12141846, 14165487, 18212769, 28330974, 36425538, 42496461, 84992922, 127489383, 254978766]

約数ペア:

[(1, 254978766), (2, 127489383), (3, 84992922), (6, 42496461), (7, 36425538), (9, 28330974), (14, 18212769), (18, 14165487), (21, 12141846), (27, 9443658), (37, 6891318), (42, 6070923), (54, 4721829), (59, 4321674), (63, 4047282), (74, 3445659), (81, 3147886), (103, 2475522), (111, 2297106), (118, 2160837), (126, 2023641), (162, 1573943), (177, 1440558), (189, 1349094), (206, 1237761), (222, 1148553), (259, 984474), (309, 825174), (333, 765702), (354, 720279), (378, 674547), (413, 617382), (518, 492237), (531, 480186), (567, 449698), (618, 412587), (666, 382851), (721, 353646), (777, 328158), (826, 308691), (927, 275058), (999, 255234), (1062, 240093), (1134, 224849), (1239, 205794), (1442, 176823), (1554, 164079), (1593, 160062), (1854, 137529), (1998, 127617), (2163, 117882), (2183, 116802), (2331, 109386), (2478, 102897), (2781, 91686), (2997, 85078), (3186, 80031), (3717, 68598), (3811, 66906), (4326, 58941), (4366, 58401), (4662, 54693), (4779, 53354), (5562, 45843), (5994, 42539), (6077, 41958), (6489, 39294), (6549, 38934), (6993, 36462), (7434, 34299), (7622, 33453), (8343, 30562), (9558, 26677), (11151, 22866), (11433, 22302), (12154, 20979), (12978, 19647), (13098, 19467), (13986, 18231), (15281, 16686)]