210978180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167443}}^1$

素因数の和:167465

約数の個数: 72

約数和(自身を含む): 731395392

約数和(自身を除く): 520417212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 167443, 334886, 502329, 669772, 837215, 1004658, 1172101, 1506987, 1674430, 2009316, 2344202, 2511645, 3013974, 3348860, 3516303, 4688404, 5023290, 5860505, 6027948, 7032606, 7534935, 10046580, 10548909, 11721010, 14065212, 15069870, 17581515, 21097818, 23442020, 30139740, 35163030, 42195636, 52744545, 70326060, 105489090, 210978180]

約数ペア:

[(1, 210978180), (2, 105489090), (3, 70326060), (4, 52744545), (5, 42195636), (6, 35163030), (7, 30139740), (9, 23442020), (10, 21097818), (12, 17581515), (14, 15069870), (15, 14065212), (18, 11721010), (20, 10548909), (21, 10046580), (28, 7534935), (30, 7032606), (35, 6027948), (36, 5860505), (42, 5023290), (45, 4688404), (60, 3516303), (63, 3348860), (70, 3013974), (84, 2511645), (90, 2344202), (105, 2009316), (126, 1674430), (140, 1506987), (180, 1172101), (210, 1004658), (252, 837215), (315, 669772), (420, 502329), (630, 334886), (1260, 167443)]