1789864125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2172

約数の個数: 128

約数和(自身を含む): 3795517440

約数和(自身を除く): 2005653315

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 25, 35, 51, 57, 75, 85, 95, 105, 119, 125, 133, 175, 255, 285, 323, 357, 375, 399, 425, 475, 525, 595, 665, 875, 969, 1275, 1425, 1615, 1785, 1995, 2111, 2125, 2261, 2375, 2625, 2975, 3325, 4845, 6333, 6375, 6783, 7125, 8075, 8925, 9975, 10555, 11305, 14777, 14875, 16625, 24225, 31665, 33915, 35887, 40109, 40375, 44331, 44625, 49875, 52775, 56525, 73885, 107661, 120327, 121125, 158325, 169575, 179435, 200545, 221655, 251209, 263875, 280763, 282625, 369425, 538305, 601635, 681853, 753627, 791625, 842289, 847875, 897175, 1002725, 1108275, 1256045, 1403815, 1847125, 2045559, 2691525, 3008175, 3409265, 3768135, 4211445, 4485875, 4772971, 5013625, 5541375, 6280225, 7019075, 10227795, 13457625, 14318913, 15040875, 17046325, 18840675, 21057225, 23864855, 31401125, 35095375, 51138975, 71594565, 85231625, 94203375, 105286125, 119324275, 255694875, 357972825, 596621375, 1789864125]

約数ペア:

[(1, 1789864125), (3, 596621375), (5, 357972825), (7, 255694875), (15, 119324275), (17, 105286125), (19, 94203375), (21, 85231625), (25, 71594565), (35, 51138975), (51, 35095375), (57, 31401125), (75, 23864855), (85, 21057225), (95, 18840675), (105, 17046325), (119, 15040875), (125, 14318913), (133, 13457625), (175, 10227795), (255, 7019075), (285, 6280225), (323, 5541375), (357, 5013625), (375, 4772971), (399, 4485875), (425, 4211445), (475, 3768135), (525, 3409265), (595, 3008175), (665, 2691525), (875, 2045559), (969, 1847125), (1275, 1403815), (1425, 1256045), (1615, 1108275), (1785, 1002725), (1995, 897175), (2111, 847875), (2125, 842289), (2261, 791625), (2375, 753627), (2625, 681853), (2975, 601635), (3325, 538305), (4845, 369425), (6333, 282625), (6375, 280763), (6783, 263875), (7125, 251209), (8075, 221655), (8925, 200545), (9975, 179435), (10555, 169575), (11305, 158325), (14777, 121125), (14875, 120327), (16625, 107661), (24225, 73885), (31665, 56525), (33915, 52775), (35887, 49875), (40109, 44625), (40375, 44331)]