1799820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 6220368

約数和(自身を除く): 4420548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 101, 108, 110, 132, 135, 162, 165, 180, 198, 202, 220, 270, 297, 303, 324, 330, 396, 404, 405, 495, 505, 540, 594, 606, 660, 810, 891, 909, 990, 1010, 1111, 1188, 1212, 1485, 1515, 1620, 1782, 1818, 1980, 2020, 2222, 2727, 2970, 3030, 3333, 3564, 3636, 4444, 4455, 4545, 5454, 5555, 5940, 6060, 6666, 8181, 8910, 9090, 9999, 10908, 11110, 13332, 13635, 16362, 16665, 17820, 18180, 19998, 22220, 27270, 29997, 32724, 33330, 39996, 40905, 49995, 54540, 59994, 66660, 81810, 89991, 99990, 119988, 149985, 163620, 179982, 199980, 299970, 359964, 449955, 599940, 899910, 1799820]

約数ペア:

[(1, 1799820), (2, 899910), (3, 599940), (4, 449955), (5, 359964), (6, 299970), (9, 199980), (10, 179982), (11, 163620), (12, 149985), (15, 119988), (18, 99990), (20, 89991), (22, 81810), (27, 66660), (30, 59994), (33, 54540), (36, 49995), (44, 40905), (45, 39996), (54, 33330), (55, 32724), (60, 29997), (66, 27270), (81, 22220), (90, 19998), (99, 18180), (101, 17820), (108, 16665), (110, 16362), (132, 13635), (135, 13332), (162, 11110), (165, 10908), (180, 9999), (198, 9090), (202, 8910), (220, 8181), (270, 6666), (297, 6060), (303, 5940), (324, 5555), (330, 5454), (396, 4545), (404, 4455), (405, 4444), (495, 3636), (505, 3564), (540, 3333), (594, 3030), (606, 2970), (660, 2727), (810, 2222), (891, 2020), (909, 1980), (990, 1818), (1010, 1782), (1111, 1620), (1188, 1515), (1212, 1485)]