3156520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 7672320

約数和(自身を除く): 4515800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 73, 92, 94, 115, 146, 184, 188, 230, 235, 292, 365, 376, 460, 470, 584, 730, 920, 940, 1081, 1460, 1679, 1880, 2162, 2920, 3358, 3431, 4324, 5405, 6716, 6862, 8395, 8648, 10810, 13432, 13724, 16790, 17155, 21620, 27448, 33580, 34310, 43240, 67160, 68620, 78913, 137240, 157826, 315652, 394565, 631304, 789130, 1578260, 3156520]

約数ペア:

[(1, 3156520), (2, 1578260), (4, 789130), (5, 631304), (8, 394565), (10, 315652), (20, 157826), (23, 137240), (40, 78913), (46, 68620), (47, 67160), (73, 43240), (92, 34310), (94, 33580), (115, 27448), (146, 21620), (184, 17155), (188, 16790), (230, 13724), (235, 13432), (292, 10810), (365, 8648), (376, 8395), (460, 6862), (470, 6716), (584, 5405), (730, 4324), (920, 3431), (940, 3358), (1081, 2920), (1460, 2162), (1679, 1880)]