51389730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 159629184

約数和(自身を除く): 108239454

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 49, 63, 70, 86, 90, 98, 105, 126, 129, 147, 210, 215, 245, 258, 271, 294, 301, 315, 387, 430, 441, 490, 542, 602, 630, 645, 735, 774, 813, 882, 903, 1290, 1355, 1470, 1505, 1626, 1806, 1897, 1935, 2107, 2205, 2439, 2709, 2710, 3010, 3794, 3870, 4065, 4214, 4410, 4515, 4878, 5418, 5691, 6321, 8130, 9030, 9485, 10535, 11382, 11653, 12195, 12642, 13279, 13545, 17073, 18963, 18970, 21070, 23306, 24390, 26558, 27090, 28455, 31605, 34146, 34959, 37926, 39837, 56910, 58265, 63210, 66395, 69918, 79674, 81571, 85365, 94815, 104877, 116530, 119511, 132790, 163142, 170730, 174795, 189630, 199185, 209754, 239022, 244713, 349590, 398370, 407855, 489426, 524385, 570997, 597555, 734139, 815710, 1048770, 1141994, 1195110, 1223565, 1468278, 1712991, 2447130, 2854985, 3425982, 3670695, 5138973, 5709970, 7341390, 8564955, 10277946, 17129910, 25694865, 51389730]

約数ペア:

[(1, 51389730), (2, 25694865), (3, 17129910), (5, 10277946), (6, 8564955), (7, 7341390), (9, 5709970), (10, 5138973), (14, 3670695), (15, 3425982), (18, 2854985), (21, 2447130), (30, 1712991), (35, 1468278), (42, 1223565), (43, 1195110), (45, 1141994), (49, 1048770), (63, 815710), (70, 734139), (86, 597555), (90, 570997), (98, 524385), (105, 489426), (126, 407855), (129, 398370), (147, 349590), (210, 244713), (215, 239022), (245, 209754), (258, 199185), (271, 189630), (294, 174795), (301, 170730), (315, 163142), (387, 132790), (430, 119511), (441, 116530), (490, 104877), (542, 94815), (602, 85365), (630, 81571), (645, 79674), (735, 69918), (774, 66395), (813, 63210), (882, 58265), (903, 56910), (1290, 39837), (1355, 37926), (1470, 34959), (1505, 34146), (1626, 31605), (1806, 28455), (1897, 27090), (1935, 26558), (2107, 24390), (2205, 23306), (2439, 21070), (2709, 18970), (2710, 18963), (3010, 17073), (3794, 13545), (3870, 13279), (4065, 12642), (4214, 12195), (4410, 11653), (4515, 11382), (4878, 10535), (5418, 9485), (5691, 9030), (6321, 8130)]