209070120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248893}}^1$

素因数の和:248914

約数の個数: 64

約数和(自身を含む): 716814720

約数和(自身を除く): 507744600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248893, 497786, 746679, 995572, 1244465, 1493358, 1742251, 1991144, 2488930, 2986716, 3484502, 3733395, 4977860, 5226753, 5973432, 6969004, 7466790, 8711255, 9955720, 10453506, 13938008, 14933580, 17422510, 20907012, 26133765, 29867160, 34845020, 41814024, 52267530, 69690040, 104535060, 209070120]

約数ペア:

[(1, 209070120), (2, 104535060), (3, 69690040), (4, 52267530), (5, 41814024), (6, 34845020), (7, 29867160), (8, 26133765), (10, 20907012), (12, 17422510), (14, 14933580), (15, 13938008), (20, 10453506), (21, 9955720), (24, 8711255), (28, 7466790), (30, 6969004), (35, 5973432), (40, 5226753), (42, 4977860), (56, 3733395), (60, 3484502), (70, 2986716), (84, 2488930), (105, 1991144), (120, 1742251), (140, 1493358), (168, 1244465), (210, 995572), (280, 746679), (420, 497786), (840, 248893)]