210403620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{166987}}^1$

素因数の和:167009

約数の個数: 72

約数和(自身を含む): 729403584

約数和(自身を除く): 518999964

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, 166987, 333974, 500961, 667948, 834935, 1001922, 1168909, 1502883, 1669870, 2003844, 2337818, 2504805, 3005766, 3339740, 3506727, 4675636, 5009610, 5844545, 6011532, 7013454, 7514415, 10019220, 10520181, 11689090, 14026908, 15028830, 17533635, 21040362, 23378180, 30057660, 35067270, 42080724, 52600905, 70134540, 105201810, 210403620]

約数ペア:

[(1, 210403620), (2, 105201810), (3, 70134540), (4, 52600905), (5, 42080724), (6, 35067270), (7, 30057660), (9, 23378180), (10, 21040362), (12, 17533635), (14, 15028830), (15, 14026908), (18, 11689090), (20, 10520181), (21, 10019220), (28, 7514415), (30, 7013454), (35, 6011532), (36, 5844545), (42, 5009610), (45, 4675636), (60, 3506727), (63, 3339740), (70, 3005766), (84, 2504805), (90, 2337818), (105, 2003844), (126, 1669870), (140, 1502883), (180, 1168909), (210, 1001922), (252, 834935), (315, 667948), (420, 500961), (630, 333974), (1260, 166987)]