28196640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 101243520

約数和(自身を除く): 73046880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 96, 107, 108, 120, 122, 135, 144, 160, 180, 183, 214, 216, 240, 244, 270, 288, 305, 321, 360, 366, 428, 432, 480, 488, 535, 540, 549, 610, 642, 720, 732, 856, 864, 915, 963, 976, 1070, 1080, 1098, 1220, 1284, 1440, 1464, 1605, 1647, 1712, 1830, 1926, 1952, 2140, 2160, 2196, 2440, 2568, 2745, 2889, 2928, 3210, 3294, 3424, 3660, 3852, 4280, 4320, 4392, 4815, 4880, 5136, 5490, 5778, 5856, 6420, 6527, 6588, 7320, 7704, 8235, 8560, 8784, 9630, 9760, 10272, 10980, 11556, 12840, 13054, 13176, 14445, 14640, 15408, 16470, 17120, 17568, 19260, 19581, 21960, 23112, 25680, 26108, 26352, 28890, 29280, 30816, 32635, 32940, 38520, 39162, 43920, 46224, 51360, 52216, 52704, 57780, 58743, 65270, 65880, 77040, 78324, 87840, 92448, 97905, 104432, 115560, 117486, 130540, 131760, 154080, 156648, 176229, 195810, 208864, 231120, 234972, 261080, 263520, 293715, 313296, 352458, 391620, 462240, 469944, 522160, 587430, 626592, 704916, 783240, 881145, 939888, 1044320, 1174860, 1409832, 1566480, 1762290, 1879776, 2349720, 2819664, 3132960, 3524580, 4699440, 5639328, 7049160, 9398880, 14098320, 28196640]

約数ペア:

[(1, 28196640), (2, 14098320), (3, 9398880), (4, 7049160), (5, 5639328), (6, 4699440), (8, 3524580), (9, 3132960), (10, 2819664), (12, 2349720), (15, 1879776), (16, 1762290), (18, 1566480), (20, 1409832), (24, 1174860), (27, 1044320), (30, 939888), (32, 881145), (36, 783240), (40, 704916), (45, 626592), (48, 587430), (54, 522160), (60, 469944), (61, 462240), (72, 391620), (80, 352458), (90, 313296), (96, 293715), (107, 263520), (108, 261080), (120, 234972), (122, 231120), (135, 208864), (144, 195810), (160, 176229), (180, 156648), (183, 154080), (214, 131760), (216, 130540), (240, 117486), (244, 115560), (270, 104432), (288, 97905), (305, 92448), (321, 87840), (360, 78324), (366, 77040), (428, 65880), (432, 65270), (480, 58743), (488, 57780), (535, 52704), (540, 52216), (549, 51360), (610, 46224), (642, 43920), (720, 39162), (732, 38520), (856, 32940), (864, 32635), (915, 30816), (963, 29280), (976, 28890), (1070, 26352), (1080, 26108), (1098, 25680), (1220, 23112), (1284, 21960), (1440, 19581), (1464, 19260), (1605, 17568), (1647, 17120), (1712, 16470), (1830, 15408), (1926, 14640), (1952, 14445), (2140, 13176), (2160, 13054), (2196, 12840), (2440, 11556), (2568, 10980), (2745, 10272), (2889, 9760), (2928, 9630), (3210, 8784), (3294, 8560), (3424, 8235), (3660, 7704), (3852, 7320), (4280, 6588), (4320, 6527), (4392, 6420), (4815, 5856), (4880, 5778), (5136, 5490)]