39220380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 120120000

約数和(自身を除く): 80899620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 1999, 2180, 3270, 3924, 3998, 4905, 5997, 6540, 7996, 9810, 9995, 11994, 17991, 19620, 19990, 23988, 29985, 35982, 39980, 59970, 71964, 89955, 119940, 179910, 217891, 359820, 435782, 653673, 871564, 1089455, 1307346, 1961019, 2178910, 2614692, 3268365, 3922038, 4357820, 6536730, 7844076, 9805095, 13073460, 19610190, 39220380]

約数ペア:

[(1, 39220380), (2, 19610190), (3, 13073460), (4, 9805095), (5, 7844076), (6, 6536730), (9, 4357820), (10, 3922038), (12, 3268365), (15, 2614692), (18, 2178910), (20, 1961019), (30, 1307346), (36, 1089455), (45, 871564), (60, 653673), (90, 435782), (109, 359820), (180, 217891), (218, 179910), (327, 119940), (436, 89955), (545, 71964), (654, 59970), (981, 39980), (1090, 35982), (1308, 29985), (1635, 23988), (1962, 19990), (1999, 19620), (2180, 17991), (3270, 11994), (3924, 9995), (3998, 9810), (4905, 7996), (5997, 6540)]