213978060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2441}}^1$

素因数の和:2943

約数の個数: 72

約数和(自身を含む): 650666016

約数和(自身を除く): 436687956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2441, 2922, 4383, 4870, 4882, 5844, 7305, 7323, 8766, 9740, 9764, 12205, 14610, 14646, 17532, 21915, 21969, 24410, 29220, 29292, 36615, 43830, 43938, 48820, 73230, 87660, 87876, 109845, 146460, 219690, 439380, 1188767, 2377534, 3566301, 4755068, 5943835, 7132602, 10698903, 11887670, 14265204, 17831505, 21397806, 23775340, 35663010, 42795612, 53494515, 71326020, 106989030, 213978060]

約数ペア:

[(1, 213978060), (2, 106989030), (3, 71326020), (4, 53494515), (5, 42795612), (6, 35663010), (9, 23775340), (10, 21397806), (12, 17831505), (15, 14265204), (18, 11887670), (20, 10698903), (30, 7132602), (36, 5943835), (45, 4755068), (60, 3566301), (90, 2377534), (180, 1188767), (487, 439380), (974, 219690), (1461, 146460), (1948, 109845), (2435, 87876), (2441, 87660), (2922, 73230), (4383, 48820), (4870, 43938), (4882, 43830), (5844, 36615), (7305, 29292), (7323, 29220), (8766, 24410), (9740, 21969), (9764, 21915), (12205, 17532), (14610, 14646)]