2623720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 6609600

約数和(自身を除く): 3985880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 89, 110, 134, 178, 220, 268, 335, 356, 440, 445, 536, 670, 712, 737, 890, 979, 1340, 1474, 1780, 1958, 2680, 2948, 3560, 3685, 3916, 4895, 5896, 5963, 7370, 7832, 9790, 11926, 14740, 19580, 23852, 29480, 29815, 39160, 47704, 59630, 65593, 119260, 131186, 238520, 262372, 327965, 524744, 655930, 1311860, 2623720]

約数ペア:

[(1, 2623720), (2, 1311860), (4, 655930), (5, 524744), (8, 327965), (10, 262372), (11, 238520), (20, 131186), (22, 119260), (40, 65593), (44, 59630), (55, 47704), (67, 39160), (88, 29815), (89, 29480), (110, 23852), (134, 19580), (178, 14740), (220, 11926), (268, 9790), (335, 7832), (356, 7370), (440, 5963), (445, 5896), (536, 4895), (670, 3916), (712, 3685), (737, 3560), (890, 2948), (979, 2680), (1340, 1958), (1474, 1780)]