19662750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 55042416

約数和(自身を除く): 35379666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 971, 1125, 1350, 1942, 2025, 2250, 2913, 3375, 4050, 4855, 5826, 6750, 8739, 9710, 10125, 14565, 17478, 20250, 24275, 26217, 29130, 43695, 48550, 52434, 72825, 78651, 87390, 121375, 131085, 145650, 157302, 218475, 242750, 262170, 364125, 393255, 436950, 655425, 728250, 786510, 1092375, 1310850, 1966275, 2184750, 3277125, 3932550, 6554250, 9831375, 19662750]

約数ペア:

[(1, 19662750), (2, 9831375), (3, 6554250), (5, 3932550), (6, 3277125), (9, 2184750), (10, 1966275), (15, 1310850), (18, 1092375), (25, 786510), (27, 728250), (30, 655425), (45, 436950), (50, 393255), (54, 364125), (75, 262170), (81, 242750), (90, 218475), (125, 157302), (135, 145650), (150, 131085), (162, 121375), (225, 87390), (250, 78651), (270, 72825), (375, 52434), (405, 48550), (450, 43695), (675, 29130), (750, 26217), (810, 24275), (971, 20250), (1125, 17478), (1350, 14565), (1942, 10125), (2025, 9710), (2250, 8739), (2913, 6750), (3375, 5826), (4050, 4855)]