201310020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2789}}^1$

素因数の和:3205

約数の個数: 72

約数和(自身を含む): 612382680

約数和(自身を除く): 411072660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 2005, 2406, 2789, 3609, 4010, 4812, 5578, 6015, 7218, 8020, 8367, 11156, 12030, 13945, 14436, 16734, 18045, 24060, 25101, 27890, 33468, 36090, 41835, 50202, 55780, 72180, 83670, 100404, 125505, 167340, 251010, 502020, 1118389, 2236778, 3355167, 4473556, 5591945, 6710334, 10065501, 11183890, 13420668, 16775835, 20131002, 22367780, 33551670, 40262004, 50327505, 67103340, 100655010, 201310020]

約数ペア:

[(1, 201310020), (2, 100655010), (3, 67103340), (4, 50327505), (5, 40262004), (6, 33551670), (9, 22367780), (10, 20131002), (12, 16775835), (15, 13420668), (18, 11183890), (20, 10065501), (30, 6710334), (36, 5591945), (45, 4473556), (60, 3355167), (90, 2236778), (180, 1118389), (401, 502020), (802, 251010), (1203, 167340), (1604, 125505), (2005, 100404), (2406, 83670), (2789, 72180), (3609, 55780), (4010, 50202), (4812, 41835), (5578, 36090), (6015, 33468), (7218, 27890), (8020, 25101), (8367, 24060), (11156, 18045), (12030, 16734), (13945, 14436)]