28321320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13883}}^1$

素因数の和:13914

約数の個数: 64

約数和(自身を含む): 89968320

約数和(自身を除く): 61647000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13883, 27766, 41649, 55532, 69415, 83298, 111064, 138830, 166596, 208245, 236011, 277660, 333192, 416490, 472022, 555320, 708033, 832980, 944044, 1180055, 1416066, 1665960, 1888088, 2360110, 2832132, 3540165, 4720220, 5664264, 7080330, 9440440, 14160660, 28321320]

約数ペア:

[(1, 28321320), (2, 14160660), (3, 9440440), (4, 7080330), (5, 5664264), (6, 4720220), (8, 3540165), (10, 2832132), (12, 2360110), (15, 1888088), (17, 1665960), (20, 1416066), (24, 1180055), (30, 944044), (34, 832980), (40, 708033), (51, 555320), (60, 472022), (68, 416490), (85, 333192), (102, 277660), (120, 236011), (136, 208245), (170, 166596), (204, 138830), (255, 111064), (340, 83298), (408, 69415), (510, 55532), (680, 41649), (1020, 27766), (2040, 13883)]