20782585920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{109891}}^1$

素因数の和:110108

約数の個数: 112

約数和(自身を含む): 66320261568

約数和(自身を除く): 45537675648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 197, 240, 320, 394, 480, 591, 788, 960, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5910, 6304, 7880, 9456, 11820, 12608, 15760, 18912, 23640, 31520, 37824, 47280, 63040, 94560, 109891, 189120, 219782, 329673, 439564, 549455, 659346, 879128, 1098910, 1318692, 1648365, 1758256, 2197820, 2637384, 3296730, 3516512, 4395640, 5274768, 6593460, 7033024, 8791280, 10549536, 13186920, 17582560, 21099072, 21648527, 26373840, 35165120, 43297054, 52747680, 64945581, 86594108, 105495360, 108242635, 129891162, 173188216, 216485270, 259782324, 324727905, 346376432, 432970540, 519564648, 649455810, 692752864, 865941080, 1039129296, 1298911620, 1385505728, 1731882160, 2078258592, 2597823240, 3463764320, 4156517184, 5195646480, 6927528640, 10391292960, 20782585920]

約数ペア:

[(1, 20782585920), (2, 10391292960), (3, 6927528640), (4, 5195646480), (5, 4156517184), (6, 3463764320), (8, 2597823240), (10, 2078258592), (12, 1731882160), (15, 1385505728), (16, 1298911620), (20, 1039129296), (24, 865941080), (30, 692752864), (32, 649455810), (40, 519564648), (48, 432970540), (60, 346376432), (64, 324727905), (80, 259782324), (96, 216485270), (120, 173188216), (160, 129891162), (192, 108242635), (197, 105495360), (240, 86594108), (320, 64945581), (394, 52747680), (480, 43297054), (591, 35165120), (788, 26373840), (960, 21648527), (985, 21099072), (1182, 17582560), (1576, 13186920), (1970, 10549536), (2364, 8791280), (2955, 7033024), (3152, 6593460), (3940, 5274768), (4728, 4395640), (5910, 3516512), (6304, 3296730), (7880, 2637384), (9456, 2197820), (11820, 1758256), (12608, 1648365), (15760, 1318692), (18912, 1098910), (23640, 879128), (31520, 659346), (37824, 549455), (47280, 439564), (63040, 329673), (94560, 219782), (109891, 189120)]