12257073280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2539}}^1$

素因数の和:2974

約数の個数: 128

約数和(自身を含む): 30934152000

約数和(自身を除く): 18677078720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 397, 608, 640, 760, 794, 1216, 1520, 1588, 1985, 2432, 2539, 3040, 3176, 3970, 5078, 6080, 6352, 7543, 7940, 10156, 12160, 12695, 12704, 15086, 15880, 20312, 25390, 25408, 30172, 31760, 37715, 40624, 48241, 50780, 50816, 60344, 63520, 75430, 81248, 96482, 101560, 120688, 127040, 150860, 162496, 192964, 203120, 241205, 241376, 254080, 301720, 324992, 385928, 406240, 482410, 482752, 603440, 771856, 812480, 964820, 965504, 1007983, 1206880, 1543712, 1624960, 1929640, 2015966, 2413760, 3087424, 3859280, 4031932, 4827520, 5039915, 6174848, 7718560, 8063864, 10079830, 15437120, 16127728, 19151677, 20159660, 30874240, 32255456, 38303354, 40319320, 64510912, 76606708, 80638640, 95758385, 129021824, 153213416, 161277280, 191516770, 306426832, 322554560, 383033540, 612853664, 645109120, 766067080, 1225707328, 1532134160, 2451414656, 3064268320, 6128536640, 12257073280]

約数ペア:

[(1, 12257073280), (2, 6128536640), (4, 3064268320), (5, 2451414656), (8, 1532134160), (10, 1225707328), (16, 766067080), (19, 645109120), (20, 612853664), (32, 383033540), (38, 322554560), (40, 306426832), (64, 191516770), (76, 161277280), (80, 153213416), (95, 129021824), (128, 95758385), (152, 80638640), (160, 76606708), (190, 64510912), (304, 40319320), (320, 38303354), (380, 32255456), (397, 30874240), (608, 20159660), (640, 19151677), (760, 16127728), (794, 15437120), (1216, 10079830), (1520, 8063864), (1588, 7718560), (1985, 6174848), (2432, 5039915), (2539, 4827520), (3040, 4031932), (3176, 3859280), (3970, 3087424), (5078, 2413760), (6080, 2015966), (6352, 1929640), (7543, 1624960), (7940, 1543712), (10156, 1206880), (12160, 1007983), (12695, 965504), (12704, 964820), (15086, 812480), (15880, 771856), (20312, 603440), (25390, 482752), (25408, 482410), (30172, 406240), (31760, 385928), (37715, 324992), (40624, 301720), (48241, 254080), (50780, 241376), (50816, 241205), (60344, 203120), (63520, 192964), (75430, 162496), (81248, 150860), (96482, 127040), (101560, 120688)]