123939760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5210

約数の個数: 80

約数和(自身を含む): 337049856

約数和(自身を除く): 213110096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 5147, 6020, 10294, 12040, 20588, 24080, 25735, 36029, 41176, 51470, 72058, 82352, 102940, 144116, 180145, 205880, 221321, 288232, 360290, 411760, 442642, 576464, 720580, 885284, 1106605, 1441160, 1549247, 1770568, 2213210, 2882320, 3098494, 3541136, 4426420, 6196988, 7746235, 8852840, 12393976, 15492470, 17705680, 24787952, 30984940, 61969880, 123939760]

約数ペア:

[(1, 123939760), (2, 61969880), (4, 30984940), (5, 24787952), (7, 17705680), (8, 15492470), (10, 12393976), (14, 8852840), (16, 7746235), (20, 6196988), (28, 4426420), (35, 3541136), (40, 3098494), (43, 2882320), (56, 2213210), (70, 1770568), (80, 1549247), (86, 1441160), (112, 1106605), (140, 885284), (172, 720580), (215, 576464), (280, 442642), (301, 411760), (344, 360290), (430, 288232), (560, 221321), (602, 205880), (688, 180145), (860, 144116), (1204, 102940), (1505, 82352), (1720, 72058), (2408, 51470), (3010, 41176), (3440, 36029), (4816, 25735), (5147, 24080), (6020, 20588), (10294, 12040)]