31965000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{2131}}^1$

素因数の和:2160

約数の個数: 80

約数和(自身を含む): 99905520

約数和(自身を除く): 67940520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2131, 2500, 3000, 3750, 4262, 5000, 6393, 7500, 8524, 10655, 12786, 15000, 17048, 21310, 25572, 31965, 42620, 51144, 53275, 63930, 85240, 106550, 127860, 159825, 213100, 255720, 266375, 319650, 426200, 532750, 639300, 799125, 1065500, 1278600, 1331875, 1598250, 2131000, 2663750, 3196500, 3995625, 5327500, 6393000, 7991250, 10655000, 15982500, 31965000]

約数ペア:

[(1, 31965000), (2, 15982500), (3, 10655000), (4, 7991250), (5, 6393000), (6, 5327500), (8, 3995625), (10, 3196500), (12, 2663750), (15, 2131000), (20, 1598250), (24, 1331875), (25, 1278600), (30, 1065500), (40, 799125), (50, 639300), (60, 532750), (75, 426200), (100, 319650), (120, 266375), (125, 255720), (150, 213100), (200, 159825), (250, 127860), (300, 106550), (375, 85240), (500, 63930), (600, 53275), (625, 51144), (750, 42620), (1000, 31965), (1250, 25572), (1500, 21310), (1875, 17048), (2131, 15000), (2500, 12786), (3000, 10655), (3750, 8524), (4262, 7500), (5000, 6393)]