18125700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 72

約数和(自身を含む): 54163200

約数和(自身を除く): 36037500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 1949, 2325, 3100, 3898, 4650, 5847, 7796, 9300, 9745, 11694, 19490, 23388, 29235, 38980, 48725, 58470, 60419, 97450, 116940, 120838, 146175, 181257, 194900, 241676, 292350, 302095, 362514, 584700, 604190, 725028, 906285, 1208380, 1510475, 1812570, 3020950, 3625140, 4531425, 6041900, 9062850, 18125700]

約数ペア:

[(1, 18125700), (2, 9062850), (3, 6041900), (4, 4531425), (5, 3625140), (6, 3020950), (10, 1812570), (12, 1510475), (15, 1208380), (20, 906285), (25, 725028), (30, 604190), (31, 584700), (50, 362514), (60, 302095), (62, 292350), (75, 241676), (93, 194900), (100, 181257), (124, 146175), (150, 120838), (155, 116940), (186, 97450), (300, 60419), (310, 58470), (372, 48725), (465, 38980), (620, 29235), (775, 23388), (930, 19490), (1550, 11694), (1860, 9745), (1949, 9300), (2325, 7796), (3100, 5847), (3898, 4650)]