21438218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{92951}}^1$

素因数の和:93029

約数の個数: 120

約数和(自身を含む): 68672193984

約数和(自身を除く): 47233975344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 961, 1240, 1488, 1860, 1922, 2480, 2883, 3720, 3844, 4805, 5766, 7440, 7688, 9610, 11532, 14415, 15376, 19220, 23064, 28830, 38440, 46128, 57660, 76880, 92951, 115320, 185902, 230640, 278853, 371804, 464755, 557706, 743608, 929510, 1115412, 1394265, 1487216, 1859020, 2230824, 2788530, 2881481, 3718040, 4461648, 5577060, 5762962, 7436080, 8644443, 11154120, 11525924, 14407405, 17288886, 22308240, 23051848, 28814810, 34577772, 43222215, 46103696, 57629620, 69155544, 86444430, 89325911, 115259240, 138311088, 172888860, 178651822, 230518480, 267977733, 345777720, 357303644, 446629555, 535955466, 691555440, 714607288, 893259110, 1071910932, 1339888665, 1429214576, 1786518220, 2143821864, 2679777330, 3573036440, 4287643728, 5359554660, 7146072880, 10719109320, 21438218640]

約数ペア:

[(1, 21438218640), (2, 10719109320), (3, 7146072880), (4, 5359554660), (5, 4287643728), (6, 3573036440), (8, 2679777330), (10, 2143821864), (12, 1786518220), (15, 1429214576), (16, 1339888665), (20, 1071910932), (24, 893259110), (30, 714607288), (31, 691555440), (40, 535955466), (48, 446629555), (60, 357303644), (62, 345777720), (80, 267977733), (93, 230518480), (120, 178651822), (124, 172888860), (155, 138311088), (186, 115259240), (240, 89325911), (248, 86444430), (310, 69155544), (372, 57629620), (465, 46103696), (496, 43222215), (620, 34577772), (744, 28814810), (930, 23051848), (961, 22308240), (1240, 17288886), (1488, 14407405), (1860, 11525924), (1922, 11154120), (2480, 8644443), (2883, 7436080), (3720, 5762962), (3844, 5577060), (4805, 4461648), (5766, 3718040), (7440, 2881481), (7688, 2788530), (9610, 2230824), (11532, 1859020), (14415, 1487216), (15376, 1394265), (19220, 1115412), (23064, 929510), (28830, 743608), (38440, 557706), (46128, 464755), (57660, 371804), (76880, 278853), (92951, 230640), (115320, 185902)]