219648060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2647}}^1$

素因数の和:3123

約数の個数: 72

約数和(自身を含む): 667963296

約数和(自身を除く): 448315236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 2305, 2647, 2766, 4149, 4610, 5294, 5532, 6915, 7941, 8298, 9220, 10588, 13235, 13830, 15882, 16596, 20745, 23823, 26470, 27660, 31764, 39705, 41490, 47646, 52940, 79410, 82980, 95292, 119115, 158820, 238230, 476460, 1220267, 2440534, 3660801, 4881068, 6101335, 7321602, 10982403, 12202670, 14643204, 18304005, 21964806, 24405340, 36608010, 43929612, 54912015, 73216020, 109824030, 219648060]

約数ペア:

[(1, 219648060), (2, 109824030), (3, 73216020), (4, 54912015), (5, 43929612), (6, 36608010), (9, 24405340), (10, 21964806), (12, 18304005), (15, 14643204), (18, 12202670), (20, 10982403), (30, 7321602), (36, 6101335), (45, 4881068), (60, 3660801), (90, 2440534), (180, 1220267), (461, 476460), (922, 238230), (1383, 158820), (1844, 119115), (2305, 95292), (2647, 82980), (2766, 79410), (4149, 52940), (4610, 47646), (5294, 41490), (5532, 39705), (6915, 31764), (7941, 27660), (8298, 26470), (9220, 23823), (10588, 20745), (13235, 16596), (13830, 15882)]