51146640

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{877}}^1$

素因数の和:908

約数の個数: 140

約数和(自身を含む): 178495644

約数和(自身を除く): 127349004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 877, 972, 1080, 1215, 1296, 1458, 1620, 1754, 1944, 2160, 2430, 2631, 2916, 3240, 3508, 3645, 3888, 4385, 4860, 5262, 5832, 6480, 7016, 7290, 7893, 8770, 9720, 10524, 11664, 13155, 14032, 14580, 15786, 17540, 19440, 21048, 23679, 26310, 29160, 31572, 35080, 39465, 42096, 47358, 52620, 58320, 63144, 70160, 71037, 78930, 94716, 105240, 118395, 126288, 142074, 157860, 189432, 210480, 213111, 236790, 284148, 315720, 355185, 378864, 426222, 473580, 568296, 631440, 639333, 710370, 852444, 947160, 1065555, 1136592, 1278666, 1420740, 1704888, 1894320, 2131110, 2557332, 2841480, 3196665, 3409776, 4262220, 5114664, 5682960, 6393330, 8524440, 10229328, 12786660, 17048880, 25573320, 51146640]

約数ペア:

[(1, 51146640), (2, 25573320), (3, 17048880), (4, 12786660), (5, 10229328), (6, 8524440), (8, 6393330), (9, 5682960), (10, 5114664), (12, 4262220), (15, 3409776), (16, 3196665), (18, 2841480), (20, 2557332), (24, 2131110), (27, 1894320), (30, 1704888), (36, 1420740), (40, 1278666), (45, 1136592), (48, 1065555), (54, 947160), (60, 852444), (72, 710370), (80, 639333), (81, 631440), (90, 568296), (108, 473580), (120, 426222), (135, 378864), (144, 355185), (162, 315720), (180, 284148), (216, 236790), (240, 213111), (243, 210480), (270, 189432), (324, 157860), (360, 142074), (405, 126288), (432, 118395), (486, 105240), (540, 94716), (648, 78930), (720, 71037), (729, 70160), (810, 63144), (877, 58320), (972, 52620), (1080, 47358), (1215, 42096), (1296, 39465), (1458, 35080), (1620, 31572), (1754, 29160), (1944, 26310), (2160, 23679), (2430, 21048), (2631, 19440), (2916, 17540), (3240, 15786), (3508, 14580), (3645, 14032), (3888, 13155), (4385, 11664), (4860, 10524), (5262, 9720), (5832, 8770), (6480, 7893), (7016, 7290)]