818255040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20789}}^1$

素因数の和:20850

約数の個数: 112

約数和(自身を含む): 2661452640

約数和(自身を除く): 1843197600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 615, 656, 820, 960, 984, 1230, 1312, 1640, 1968, 2460, 2624, 3280, 3936, 4920, 6560, 7872, 9840, 13120, 19680, 20789, 39360, 41578, 62367, 83156, 103945, 124734, 166312, 207890, 249468, 311835, 332624, 415780, 498936, 623670, 665248, 831560, 852349, 997872, 1247340, 1330496, 1663120, 1704698, 1995744, 2494680, 2557047, 3326240, 3409396, 3991488, 4261745, 4989360, 5114094, 6652480, 6818792, 8523490, 9978720, 10228188, 12785235, 13637584, 17046980, 19957440, 20456376, 25570470, 27275168, 34093960, 40912752, 51140940, 54550336, 68187920, 81825504, 102281880, 136375840, 163651008, 204563760, 272751680, 409127520, 818255040]

約数ペア:

[(1, 818255040), (2, 409127520), (3, 272751680), (4, 204563760), (5, 163651008), (6, 136375840), (8, 102281880), (10, 81825504), (12, 68187920), (15, 54550336), (16, 51140940), (20, 40912752), (24, 34093960), (30, 27275168), (32, 25570470), (40, 20456376), (41, 19957440), (48, 17046980), (60, 13637584), (64, 12785235), (80, 10228188), (82, 9978720), (96, 8523490), (120, 6818792), (123, 6652480), (160, 5114094), (164, 4989360), (192, 4261745), (205, 3991488), (240, 3409396), (246, 3326240), (320, 2557047), (328, 2494680), (410, 1995744), (480, 1704698), (492, 1663120), (615, 1330496), (656, 1247340), (820, 997872), (960, 852349), (984, 831560), (1230, 665248), (1312, 623670), (1640, 498936), (1968, 415780), (2460, 332624), (2624, 311835), (3280, 249468), (3936, 207890), (4920, 166312), (6560, 124734), (7872, 103945), (9840, 83156), (13120, 62367), (19680, 41578), (20789, 39360)]