81603720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6869}}^1$

素因数の和:6900

約数の個数: 128

約数和(自身を含む): 296784000

約数和(自身を除く): 215180280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 6869, 11880, 13738, 20607, 27476, 34345, 41214, 54952, 61821, 68690, 75559, 82428, 103035, 123642, 137380, 151118, 164856, 185463, 206070, 226677, 247284, 274760, 302236, 309105, 370926, 377795, 412140, 453354, 494568, 604472, 618210, 680031, 741852, 755590, 824280, 906708, 927315, 1133385, 1236420, 1360062, 1483704, 1511180, 1813416, 1854630, 2040093, 2266770, 2472840, 2720124, 3022360, 3400155, 3709260, 4080186, 4533540, 5440248, 6800310, 7418520, 8160372, 9067080, 10200465, 13600620, 16320744, 20400930, 27201240, 40801860, 81603720]

約数ペア:

[(1, 81603720), (2, 40801860), (3, 27201240), (4, 20400930), (5, 16320744), (6, 13600620), (8, 10200465), (9, 9067080), (10, 8160372), (11, 7418520), (12, 6800310), (15, 5440248), (18, 4533540), (20, 4080186), (22, 3709260), (24, 3400155), (27, 3022360), (30, 2720124), (33, 2472840), (36, 2266770), (40, 2040093), (44, 1854630), (45, 1813416), (54, 1511180), (55, 1483704), (60, 1360062), (66, 1236420), (72, 1133385), (88, 927315), (90, 906708), (99, 824280), (108, 755590), (110, 741852), (120, 680031), (132, 618210), (135, 604472), (165, 494568), (180, 453354), (198, 412140), (216, 377795), (220, 370926), (264, 309105), (270, 302236), (297, 274760), (330, 247284), (360, 226677), (396, 206070), (440, 185463), (495, 164856), (540, 151118), (594, 137380), (660, 123642), (792, 103035), (990, 82428), (1080, 75559), (1188, 68690), (1320, 61821), (1485, 54952), (1980, 41214), (2376, 34345), (2970, 27476), (3960, 20607), (5940, 13738), (6869, 11880)]