307958280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 1061786880

約数和(自身を除く): 753828600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1861, 1970, 2364, 2758, 2955, 3722, 3940, 4137, 4728, 5516, 5583, 5910, 6895, 7444, 7880, 8274, 9305, 11032, 11166, 11820, 13027, 13790, 14888, 16548, 18610, 20685, 22332, 23640, 26054, 27580, 27915, 33096, 37220, 39081, 41370, 44664, 52108, 55160, 55830, 65135, 74440, 78162, 82740, 104216, 111660, 130270, 156324, 165480, 195405, 223320, 260540, 312648, 366617, 390810, 521080, 733234, 781620, 1099851, 1466468, 1563240, 1833085, 2199702, 2566319, 2932936, 3666170, 4399404, 5132638, 5499255, 7332340, 7698957, 8798808, 10265276, 10998510, 12831595, 14664680, 15397914, 20530552, 21997020, 25663190, 30795828, 38494785, 43994040, 51326380, 61591656, 76989570, 102652760, 153979140, 307958280]

約数ペア:

[(1, 307958280), (2, 153979140), (3, 102652760), (4, 76989570), (5, 61591656), (6, 51326380), (7, 43994040), (8, 38494785), (10, 30795828), (12, 25663190), (14, 21997020), (15, 20530552), (20, 15397914), (21, 14664680), (24, 12831595), (28, 10998510), (30, 10265276), (35, 8798808), (40, 7698957), (42, 7332340), (56, 5499255), (60, 5132638), (70, 4399404), (84, 3666170), (105, 2932936), (120, 2566319), (140, 2199702), (168, 1833085), (197, 1563240), (210, 1466468), (280, 1099851), (394, 781620), (420, 733234), (591, 521080), (788, 390810), (840, 366617), (985, 312648), (1182, 260540), (1379, 223320), (1576, 195405), (1861, 165480), (1970, 156324), (2364, 130270), (2758, 111660), (2955, 104216), (3722, 82740), (3940, 78162), (4137, 74440), (4728, 65135), (5516, 55830), (5583, 55160), (5910, 52108), (6895, 44664), (7444, 41370), (7880, 39081), (8274, 37220), (9305, 33096), (11032, 27915), (11166, 27580), (11820, 26054), (13027, 23640), (13790, 22332), (14888, 20685), (16548, 18610)]