31215000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{2081}}^1$

素因数の和:2110

約数の個数: 80

約数和(自身を含む): 97562520

約数和(自身を除く): 66347520

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, 2081, 2500, 3000, 3750, 4162, 5000, 6243, 7500, 8324, 10405, 12486, 15000, 16648, 20810, 24972, 31215, 41620, 49944, 52025, 62430, 83240, 104050, 124860, 156075, 208100, 249720, 260125, 312150, 416200, 520250, 624300, 780375, 1040500, 1248600, 1300625, 1560750, 2081000, 2601250, 3121500, 3901875, 5202500, 6243000, 7803750, 10405000, 15607500, 31215000]

約数ペア:

[(1, 31215000), (2, 15607500), (3, 10405000), (4, 7803750), (5, 6243000), (6, 5202500), (8, 3901875), (10, 3121500), (12, 2601250), (15, 2081000), (20, 1560750), (24, 1300625), (25, 1248600), (30, 1040500), (40, 780375), (50, 624300), (60, 520250), (75, 416200), (100, 312150), (120, 260125), (125, 249720), (150, 208100), (200, 156075), (250, 124860), (300, 104050), (375, 83240), (500, 62430), (600, 52025), (625, 49944), (750, 41620), (1000, 31215), (1250, 24972), (1500, 20810), (1875, 16648), (2081, 15000), (2500, 12486), (3000, 10405), (3750, 8324), (4162, 7500), (5000, 6243)]