31171020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 94483200

約数和(自身を除く): 63312180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 703, 739, 740, 1110, 1140, 1406, 1478, 2109, 2217, 2220, 2812, 2956, 3515, 3695, 4218, 4434, 7030, 7390, 8436, 8868, 10545, 11085, 14041, 14060, 14780, 21090, 22170, 27343, 28082, 42123, 42180, 44340, 54686, 56164, 70205, 82029, 84246, 109372, 136715, 140410, 164058, 168492, 210615, 273430, 280820, 328116, 410145, 421230, 519517, 546860, 820290, 842460, 1039034, 1558551, 1640580, 2078068, 2597585, 3117102, 5195170, 6234204, 7792755, 10390340, 15585510, 31171020]

約数ペア:

[(1, 31171020), (2, 15585510), (3, 10390340), (4, 7792755), (5, 6234204), (6, 5195170), (10, 3117102), (12, 2597585), (15, 2078068), (19, 1640580), (20, 1558551), (30, 1039034), (37, 842460), (38, 820290), (57, 546860), (60, 519517), (74, 421230), (76, 410145), (95, 328116), (111, 280820), (114, 273430), (148, 210615), (185, 168492), (190, 164058), (222, 140410), (228, 136715), (285, 109372), (370, 84246), (380, 82029), (444, 70205), (555, 56164), (570, 54686), (703, 44340), (739, 42180), (740, 42123), (1110, 28082), (1140, 27343), (1406, 22170), (1478, 21090), (2109, 14780), (2217, 14060), (2220, 14041), (2812, 11085), (2956, 10545), (3515, 8868), (3695, 8436), (4218, 7390), (4434, 7030)]