1962180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 6499584

約数和(自身を除く): 4537404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 991, 1980, 1982, 2973, 3964, 4955, 5946, 8919, 9910, 10901, 11892, 14865, 17838, 19820, 21802, 29730, 32703, 35676, 43604, 44595, 54505, 59460, 65406, 89190, 98109, 109010, 130812, 163515, 178380, 196218, 218020, 327030, 392436, 490545, 654060, 981090, 1962180]

約数ペア:

[(1, 1962180), (2, 981090), (3, 654060), (4, 490545), (5, 392436), (6, 327030), (9, 218020), (10, 196218), (11, 178380), (12, 163515), (15, 130812), (18, 109010), (20, 98109), (22, 89190), (30, 65406), (33, 59460), (36, 54505), (44, 44595), (45, 43604), (55, 35676), (60, 32703), (66, 29730), (90, 21802), (99, 19820), (110, 17838), (132, 14865), (165, 11892), (180, 10901), (198, 9910), (220, 8919), (330, 5946), (396, 4955), (495, 3964), (660, 2973), (990, 1982), (991, 1980)]