2051208180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1627943}}^1$

素因数の和:1627965

約数の個数: 72

約数和(自身を含む): 7110859392

約数和(自身を除く): 5059651212

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, 1627943, 3255886, 4883829, 6511772, 8139715, 9767658, 11395601, 14651487, 16279430, 19535316, 22791202, 24419145, 29302974, 32558860, 34186803, 45582404, 48838290, 56978005, 58605948, 68373606, 73257435, 97676580, 102560409, 113956010, 136747212, 146514870, 170934015, 205120818, 227912020, 293029740, 341868030, 410241636, 512802045, 683736060, 1025604090, 2051208180]

約数ペア:

[(1, 2051208180), (2, 1025604090), (3, 683736060), (4, 512802045), (5, 410241636), (6, 341868030), (7, 293029740), (9, 227912020), (10, 205120818), (12, 170934015), (14, 146514870), (15, 136747212), (18, 113956010), (20, 102560409), (21, 97676580), (28, 73257435), (30, 68373606), (35, 58605948), (36, 56978005), (42, 48838290), (45, 45582404), (60, 34186803), (63, 32558860), (70, 29302974), (84, 24419145), (90, 22791202), (105, 19535316), (126, 16279430), (140, 14651487), (180, 11395601), (210, 9767658), (252, 8139715), (315, 6511772), (420, 4883829), (630, 3255886), (1260, 1627943)]