18890280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17491}}^1$

素因数の和:17511

約数の個数: 64

約数和(自身を含む): 62971200

約数和(自身を除く): 44080920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17491, 34982, 52473, 69964, 87455, 104946, 139928, 157419, 174910, 209892, 262365, 314838, 349820, 419784, 472257, 524730, 629676, 699640, 787095, 944514, 1049460, 1259352, 1574190, 1889028, 2098920, 2361285, 3148380, 3778056, 4722570, 6296760, 9445140, 18890280]

約数ペア:

[(1, 18890280), (2, 9445140), (3, 6296760), (4, 4722570), (5, 3778056), (6, 3148380), (8, 2361285), (9, 2098920), (10, 1889028), (12, 1574190), (15, 1259352), (18, 1049460), (20, 944514), (24, 787095), (27, 699640), (30, 629676), (36, 524730), (40, 472257), (45, 419784), (54, 349820), (60, 314838), (72, 262365), (90, 209892), (108, 174910), (120, 157419), (135, 139928), (180, 104946), (216, 87455), (270, 69964), (360, 52473), (540, 34982), (1080, 17491)]