81235800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45131}}^1$

素因数の和:45153

約数の個数: 72

約数和(自身を含む): 272822940

約数和(自身を除く): 191587140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45131, 90262, 135393, 180524, 225655, 270786, 361048, 406179, 451310, 541572, 676965, 812358, 902620, 1083144, 1128275, 1353930, 1624716, 1805240, 2030895, 2256550, 2707860, 3249432, 3384825, 4061790, 4513100, 5415720, 6769650, 8123580, 9026200, 10154475, 13539300, 16247160, 20308950, 27078600, 40617900, 81235800]

約数ペア:

[(1, 81235800), (2, 40617900), (3, 27078600), (4, 20308950), (5, 16247160), (6, 13539300), (8, 10154475), (9, 9026200), (10, 8123580), (12, 6769650), (15, 5415720), (18, 4513100), (20, 4061790), (24, 3384825), (25, 3249432), (30, 2707860), (36, 2256550), (40, 2030895), (45, 1805240), (50, 1624716), (60, 1353930), (72, 1128275), (75, 1083144), (90, 902620), (100, 812358), (120, 676965), (150, 541572), (180, 451310), (200, 406179), (225, 361048), (300, 270786), (360, 225655), (450, 180524), (600, 135393), (900, 90262), (1800, 45131)]