81640861440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{317323}}^1$

素因数の和:317414

約数の個数: 144

約数和(自身を含む): 264632984448

約数和(自身を除く): 182992123008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 536, 640, 670, 768, 804, 960, 1005, 1072, 1280, 1340, 1608, 1920, 2010, 2144, 2680, 3216, 3840, 4020, 4288, 5360, 6432, 8040, 8576, 10720, 12864, 16080, 17152, 21440, 25728, 32160, 42880, 51456, 64320, 85760, 128640, 257280, 317323, 634646, 951969, 1269292, 1586615, 1903938, 2538584, 3173230, 3807876, 4759845, 5077168, 6346460, 7615752, 9519690, 10154336, 12692920, 15231504, 19039380, 20308672, 21260641, 25385840, 30463008, 38078760, 40617344, 42521282, 50771680, 60926016, 63781923, 76157520, 81234688, 85042564, 101543360, 106303205, 121852032, 127563846, 152315040, 170085128, 203086720, 212606410, 243704064, 255127692, 304630080, 318909615, 340170256, 406173440, 425212820, 510255384, 609260160, 637819230, 680340512, 850425640, 1020510768, 1218520320, 1275638460, 1360681024, 1700851280, 2041021536, 2551276920, 2721362048, 3401702560, 4082043072, 5102553840, 5442724096, 6803405120, 8164086144, 10205107680, 13606810240, 16328172288, 20410215360, 27213620480, 40820430720, 81640861440]

約数ペア:

[(1, 81640861440), (2, 40820430720), (3, 27213620480), (4, 20410215360), (5, 16328172288), (6, 13606810240), (8, 10205107680), (10, 8164086144), (12, 6803405120), (15, 5442724096), (16, 5102553840), (20, 4082043072), (24, 3401702560), (30, 2721362048), (32, 2551276920), (40, 2041021536), (48, 1700851280), (60, 1360681024), (64, 1275638460), (67, 1218520320), (80, 1020510768), (96, 850425640), (120, 680340512), (128, 637819230), (134, 609260160), (160, 510255384), (192, 425212820), (201, 406173440), (240, 340170256), (256, 318909615), (268, 304630080), (320, 255127692), (335, 243704064), (384, 212606410), (402, 203086720), (480, 170085128), (536, 152315040), (640, 127563846), (670, 121852032), (768, 106303205), (804, 101543360), (960, 85042564), (1005, 81234688), (1072, 76157520), (1280, 63781923), (1340, 60926016), (1608, 50771680), (1920, 42521282), (2010, 40617344), (2144, 38078760), (2680, 30463008), (3216, 25385840), (3840, 21260641), (4020, 20308672), (4288, 19039380), (5360, 15231504), (6432, 12692920), (8040, 10154336), (8576, 9519690), (10720, 7615752), (12864, 6346460), (16080, 5077168), (17152, 4759845), (21440, 3807876), (25728, 3173230), (32160, 2538584), (42880, 1903938), (51456, 1586615), (64320, 1269292), (85760, 951969), (128640, 634646), (257280, 317323)]