1275580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1627460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 59, 92, 94, 115, 118, 188, 230, 235, 236, 295, 460, 470, 590, 940, 1081, 1180, 1357, 2162, 2714, 2773, 4324, 5405, 5428, 5546, 6785, 10810, 11092, 13570, 13865, 21620, 27140, 27730, 55460, 63779, 127558, 255116, 318895, 637790, 1275580]

約数ペア:

[(1, 1275580), (2, 637790), (4, 318895), (5, 255116), (10, 127558), (20, 63779), (23, 55460), (46, 27730), (47, 27140), (59, 21620), (92, 13865), (94, 13570), (115, 11092), (118, 10810), (188, 6785), (230, 5546), (235, 5428), (236, 5405), (295, 4324), (460, 2773), (470, 2714), (590, 2162), (940, 1357), (1081, 1180)]