31206280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1966

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 50441720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 1889, 2065, 2360, 3304, 3778, 4130, 7556, 8260, 9445, 13223, 15112, 16520, 18890, 26446, 37780, 52892, 66115, 75560, 105784, 111451, 132230, 222902, 264460, 445804, 528920, 557255, 780157, 891608, 1114510, 1560314, 2229020, 3120628, 3900785, 4458040, 6241256, 7801570, 15603140, 31206280]

約数ペア:

[(1, 31206280), (2, 15603140), (4, 7801570), (5, 6241256), (7, 4458040), (8, 3900785), (10, 3120628), (14, 2229020), (20, 1560314), (28, 1114510), (35, 891608), (40, 780157), (56, 557255), (59, 528920), (70, 445804), (118, 264460), (140, 222902), (236, 132230), (280, 111451), (295, 105784), (413, 75560), (472, 66115), (590, 52892), (826, 37780), (1180, 26446), (1652, 18890), (1889, 16520), (2065, 15112), (2360, 13223), (3304, 9445), (3778, 8260), (4130, 7556)]