19941120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{577}}^1$

素因数の和:607

約数の個数: 144

約数和(自身を含む): 70885920

約数和(自身を除く): 50944800

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, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 577, 640, 720, 768, 864, 960, 1080, 1152, 1154, 1280, 1440, 1728, 1731, 1920, 2160, 2304, 2308, 2880, 2885, 3456, 3462, 3840, 4320, 4616, 5193, 5760, 5770, 6912, 6924, 8640, 8655, 9232, 10386, 11520, 11540, 13848, 15579, 17280, 17310, 18464, 20772, 23080, 25965, 27696, 31158, 34560, 34620, 36928, 41544, 46160, 51930, 55392, 62316, 69240, 73856, 77895, 83088, 92320, 103860, 110784, 124632, 138480, 147712, 155790, 166176, 184640, 207720, 221568, 249264, 276960, 311580, 332352, 369280, 415440, 443136, 498528, 553920, 623160, 664704, 738560, 830880, 997056, 1107840, 1246320, 1329408, 1661760, 1994112, 2215680, 2492640, 3323520, 3988224, 4985280, 6647040, 9970560, 19941120]

約数ペア:

[(1, 19941120), (2, 9970560), (3, 6647040), (4, 4985280), (5, 3988224), (6, 3323520), (8, 2492640), (9, 2215680), (10, 1994112), (12, 1661760), (15, 1329408), (16, 1246320), (18, 1107840), (20, 997056), (24, 830880), (27, 738560), (30, 664704), (32, 623160), (36, 553920), (40, 498528), (45, 443136), (48, 415440), (54, 369280), (60, 332352), (64, 311580), (72, 276960), (80, 249264), (90, 221568), (96, 207720), (108, 184640), (120, 166176), (128, 155790), (135, 147712), (144, 138480), (160, 124632), (180, 110784), (192, 103860), (216, 92320), (240, 83088), (256, 77895), (270, 73856), (288, 69240), (320, 62316), (360, 55392), (384, 51930), (432, 46160), (480, 41544), (540, 36928), (576, 34620), (577, 34560), (640, 31158), (720, 27696), (768, 25965), (864, 23080), (960, 20772), (1080, 18464), (1152, 17310), (1154, 17280), (1280, 15579), (1440, 13848), (1728, 11540), (1731, 11520), (1920, 10386), (2160, 9232), (2304, 8655), (2308, 8640), (2880, 6924), (2885, 6912), (3456, 5770), (3462, 5760), (3840, 5193), (4320, 4616)]