9999720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 34214400

約数和(自身を除く): 24214680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 197, 216, 235, 270, 282, 360, 376, 394, 423, 470, 540, 564, 591, 705, 788, 846, 940, 985, 1080, 1128, 1182, 1269, 1410, 1576, 1692, 1773, 1880, 1970, 2115, 2364, 2538, 2820, 2955, 3384, 3546, 3940, 4230, 4728, 5076, 5319, 5640, 5910, 6345, 7092, 7880, 8460, 8865, 9259, 10152, 10638, 11820, 12690, 14184, 16920, 17730, 18518, 21276, 23640, 25380, 26595, 27777, 35460, 37036, 42552, 46295, 50760, 53190, 55554, 70920, 74072, 83331, 92590, 106380, 111108, 138885, 166662, 185180, 212760, 222216, 249993, 277770, 333324, 370360, 416655, 499986, 555540, 666648, 833310, 999972, 1111080, 1249965, 1666620, 1999944, 2499930, 3333240, 4999860, 9999720]

約数ペア:

[(1, 9999720), (2, 4999860), (3, 3333240), (4, 2499930), (5, 1999944), (6, 1666620), (8, 1249965), (9, 1111080), (10, 999972), (12, 833310), (15, 666648), (18, 555540), (20, 499986), (24, 416655), (27, 370360), (30, 333324), (36, 277770), (40, 249993), (45, 222216), (47, 212760), (54, 185180), (60, 166662), (72, 138885), (90, 111108), (94, 106380), (108, 92590), (120, 83331), (135, 74072), (141, 70920), (180, 55554), (188, 53190), (197, 50760), (216, 46295), (235, 42552), (270, 37036), (282, 35460), (360, 27777), (376, 26595), (394, 25380), (423, 23640), (470, 21276), (540, 18518), (564, 17730), (591, 16920), (705, 14184), (788, 12690), (846, 11820), (940, 10638), (985, 10152), (1080, 9259), (1128, 8865), (1182, 8460), (1269, 7880), (1410, 7092), (1576, 6345), (1692, 5910), (1773, 5640), (1880, 5319), (1970, 5076), (2115, 4728), (2364, 4230), (2538, 3940), (2820, 3546), (2955, 3384)]