21972000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{1831}}^1$

素因数の和:1859

約数の個数: 96

約数和(自身を含む): 72019584

約数和(自身を除く): 50047584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 1831, 2000, 2400, 3000, 3662, 4000, 5493, 6000, 7324, 9155, 10986, 12000, 14648, 18310, 21972, 27465, 29296, 36620, 43944, 45775, 54930, 58592, 73240, 87888, 91550, 109860, 137325, 146480, 175776, 183100, 219720, 228875, 274650, 292960, 366200, 439440, 457750, 549300, 686625, 732400, 878880, 915500, 1098600, 1373250, 1464800, 1831000, 2197200, 2746500, 3662000, 4394400, 5493000, 7324000, 10986000, 21972000]

約数ペア:

[(1, 21972000), (2, 10986000), (3, 7324000), (4, 5493000), (5, 4394400), (6, 3662000), (8, 2746500), (10, 2197200), (12, 1831000), (15, 1464800), (16, 1373250), (20, 1098600), (24, 915500), (25, 878880), (30, 732400), (32, 686625), (40, 549300), (48, 457750), (50, 439440), (60, 366200), (75, 292960), (80, 274650), (96, 228875), (100, 219720), (120, 183100), (125, 175776), (150, 146480), (160, 137325), (200, 109860), (240, 91550), (250, 87888), (300, 73240), (375, 58592), (400, 54930), (480, 45775), (500, 43944), (600, 36620), (750, 29296), (800, 27465), (1000, 21972), (1200, 18310), (1500, 14648), (1831, 12000), (2000, 10986), (2400, 9155), (3000, 7324), (3662, 6000), (4000, 5493)]