668544840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{206341}}^1$

素因数の和:206364

約数の個数: 80

約数和(自身を含む): 2247064380

約数和(自身を除く): 1578519540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 206341, 412682, 619023, 825364, 1031705, 1238046, 1650728, 1857069, 2063410, 2476092, 3095115, 3714138, 4126820, 4952184, 5571207, 6190230, 7428276, 8253640, 9285345, 11142414, 12380460, 14856552, 16713621, 18570690, 22284828, 24760920, 27856035, 33427242, 37141380, 44569656, 55712070, 66854484, 74282760, 83568105, 111424140, 133708968, 167136210, 222848280, 334272420, 668544840]

約数ペア:

[(1, 668544840), (2, 334272420), (3, 222848280), (4, 167136210), (5, 133708968), (6, 111424140), (8, 83568105), (9, 74282760), (10, 66854484), (12, 55712070), (15, 44569656), (18, 37141380), (20, 33427242), (24, 27856035), (27, 24760920), (30, 22284828), (36, 18570690), (40, 16713621), (45, 14856552), (54, 12380460), (60, 11142414), (72, 9285345), (81, 8253640), (90, 7428276), (108, 6190230), (120, 5571207), (135, 4952184), (162, 4126820), (180, 3714138), (216, 3095115), (270, 2476092), (324, 2063410), (360, 1857069), (405, 1650728), (540, 1238046), (648, 1031705), (810, 825364), (1080, 619023), (1620, 412682), (3240, 206341)]