81821760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2988

約数の個数: 112

約数和(自身を含む): 268833600

約数和(自身を除く): 187011840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 2939, 3480, 4640, 5568, 5878, 6960, 8817, 9280, 11756, 13920, 14695, 17634, 23512, 27840, 29390, 35268, 44085, 47024, 58780, 70536, 85231, 88170, 94048, 117560, 141072, 170462, 176340, 188096, 235120, 255693, 282144, 340924, 352680, 426155, 470240, 511386, 564288, 681848, 705360, 852310, 940480, 1022772, 1278465, 1363696, 1410720, 1704620, 2045544, 2556930, 2727392, 2821440, 3409240, 4091088, 5113860, 5454784, 6818480, 8182176, 10227720, 13636960, 16364352, 20455440, 27273920, 40910880, 81821760]

約数ペア:

[(1, 81821760), (2, 40910880), (3, 27273920), (4, 20455440), (5, 16364352), (6, 13636960), (8, 10227720), (10, 8182176), (12, 6818480), (15, 5454784), (16, 5113860), (20, 4091088), (24, 3409240), (29, 2821440), (30, 2727392), (32, 2556930), (40, 2045544), (48, 1704620), (58, 1410720), (60, 1363696), (64, 1278465), (80, 1022772), (87, 940480), (96, 852310), (116, 705360), (120, 681848), (145, 564288), (160, 511386), (174, 470240), (192, 426155), (232, 352680), (240, 340924), (290, 282144), (320, 255693), (348, 235120), (435, 188096), (464, 176340), (480, 170462), (580, 141072), (696, 117560), (870, 94048), (928, 88170), (960, 85231), (1160, 70536), (1392, 58780), (1740, 47024), (1856, 44085), (2320, 35268), (2784, 29390), (2939, 27840), (3480, 23512), (4640, 17634), (5568, 14695), (5878, 13920), (6960, 11756), (8817, 9280)]