654060

素因数分解:

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

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 1999872

約数和(自身を除く): 1345812

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 991, 1982, 2973, 3964, 4955, 5946, 9910, 10901, 11892, 14865, 19820, 21802, 29730, 32703, 43604, 54505, 59460, 65406, 109010, 130812, 163515, 218020, 327030, 654060]

約数ペア:

[(1, 654060), (2, 327030), (3, 218020), (4, 163515), (5, 130812), (6, 109010), (10, 65406), (11, 59460), (12, 54505), (15, 43604), (20, 32703), (22, 29730), (30, 21802), (33, 19820), (44, 14865), (55, 11892), (60, 10901), (66, 9910), (110, 5946), (132, 4955), (165, 3964), (220, 2973), (330, 1982), (660, 991)]