128971764

素因数分解:

$2^2\times 3^7\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 353767680

約数和(自身を除く): 224795916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 641, 729, 828, 972, 1242, 1282, 1458, 1863, 1923, 2187, 2484, 2564, 2916, 3726, 3846, 4374, 5589, 5769, 7452, 7692, 8748, 11178, 11538, 14743, 16767, 17307, 22356, 23076, 29486, 33534, 34614, 44229, 50301, 51921, 58972, 67068, 69228, 88458, 100602, 103842, 132687, 155763, 176916, 201204, 207684, 265374, 311526, 398061, 467289, 530748, 623052, 796122, 934578, 1194183, 1401867, 1592244, 1869156, 2388366, 2803734, 3582549, 4776732, 5607468, 7165098, 10747647, 14330196, 21495294, 32242941, 42990588, 64485882, 128971764]

約数ペア:

[(1, 128971764), (2, 64485882), (3, 42990588), (4, 32242941), (6, 21495294), (9, 14330196), (12, 10747647), (18, 7165098), (23, 5607468), (27, 4776732), (36, 3582549), (46, 2803734), (54, 2388366), (69, 1869156), (81, 1592244), (92, 1401867), (108, 1194183), (138, 934578), (162, 796122), (207, 623052), (243, 530748), (276, 467289), (324, 398061), (414, 311526), (486, 265374), (621, 207684), (641, 201204), (729, 176916), (828, 155763), (972, 132687), (1242, 103842), (1282, 100602), (1458, 88458), (1863, 69228), (1923, 67068), (2187, 58972), (2484, 51921), (2564, 50301), (2916, 44229), (3726, 34614), (3846, 33534), (4374, 29486), (5589, 23076), (5769, 22356), (7452, 17307), (7692, 16767), (8748, 14743), (11178, 11538)]