221765580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1340

約数の個数: 96

約数和(自身を含む): 692160000

約数和(自身を除く): 470394420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 499, 540, 823, 998, 1497, 1646, 1996, 2469, 2495, 2994, 3292, 4115, 4491, 4938, 4990, 5988, 7407, 7485, 8230, 8982, 9876, 9980, 12345, 13473, 14814, 14970, 16460, 17964, 22221, 22455, 24690, 26946, 29628, 29940, 37035, 44442, 44910, 49380, 53892, 67365, 74070, 88884, 89820, 111105, 134730, 148140, 222210, 269460, 410677, 444420, 821354, 1232031, 1642708, 2053385, 2464062, 3696093, 4106770, 4928124, 6160155, 7392186, 8213540, 11088279, 12320310, 14784372, 18480465, 22176558, 24640620, 36960930, 44353116, 55441395, 73921860, 110882790, 221765580]

約数ペア:

[(1, 221765580), (2, 110882790), (3, 73921860), (4, 55441395), (5, 44353116), (6, 36960930), (9, 24640620), (10, 22176558), (12, 18480465), (15, 14784372), (18, 12320310), (20, 11088279), (27, 8213540), (30, 7392186), (36, 6160155), (45, 4928124), (54, 4106770), (60, 3696093), (90, 2464062), (108, 2053385), (135, 1642708), (180, 1232031), (270, 821354), (499, 444420), (540, 410677), (823, 269460), (998, 222210), (1497, 148140), (1646, 134730), (1996, 111105), (2469, 89820), (2495, 88884), (2994, 74070), (3292, 67365), (4115, 53892), (4491, 49380), (4938, 44910), (4990, 44442), (5988, 37035), (7407, 29940), (7485, 29628), (8230, 26946), (8982, 24690), (9876, 22455), (9980, 22221), (12345, 17964), (13473, 16460), (14814, 14970)]