215913000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71971}}^1$

素因数の和:71995

約数の個数: 64

約数和(自身を含む): 673657920

約数和(自身を除く): 457744920

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, 750, 1000, 1500, 3000, 71971, 143942, 215913, 287884, 359855, 431826, 575768, 719710, 863652, 1079565, 1439420, 1727304, 1799275, 2159130, 2878840, 3598550, 4318260, 5397825, 7197100, 8636520, 8996375, 10795650, 14394200, 17992750, 21591300, 26989125, 35985500, 43182600, 53978250, 71971000, 107956500, 215913000]

約数ペア:

[(1, 215913000), (2, 107956500), (3, 71971000), (4, 53978250), (5, 43182600), (6, 35985500), (8, 26989125), (10, 21591300), (12, 17992750), (15, 14394200), (20, 10795650), (24, 8996375), (25, 8636520), (30, 7197100), (40, 5397825), (50, 4318260), (60, 3598550), (75, 2878840), (100, 2159130), (120, 1799275), (125, 1727304), (150, 1439420), (200, 1079565), (250, 863652), (300, 719710), (375, 575768), (500, 431826), (600, 359855), (750, 287884), (1000, 215913), (1500, 143942), (3000, 71971)]