123370360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 295293600

約数和(自身を除く): 171923240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 419, 433, 680, 838, 866, 1676, 1732, 2095, 2165, 3352, 3464, 4190, 4330, 7123, 7361, 8380, 8660, 14246, 14722, 16760, 17320, 28492, 29444, 35615, 36805, 56984, 58888, 71230, 73610, 142460, 147220, 181427, 284920, 294440, 362854, 725708, 907135, 1451416, 1814270, 3084259, 3628540, 6168518, 7257080, 12337036, 15421295, 24674072, 30842590, 61685180, 123370360]

約数ペア:

[(1, 123370360), (2, 61685180), (4, 30842590), (5, 24674072), (8, 15421295), (10, 12337036), (17, 7257080), (20, 6168518), (34, 3628540), (40, 3084259), (68, 1814270), (85, 1451416), (136, 907135), (170, 725708), (340, 362854), (419, 294440), (433, 284920), (680, 181427), (838, 147220), (866, 142460), (1676, 73610), (1732, 71230), (2095, 58888), (2165, 56984), (3352, 36805), (3464, 35615), (4190, 29444), (4330, 28492), (7123, 17320), (7361, 16760), (8380, 14722), (8660, 14246)]