20895140160

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16231}}^1$

素因数の和:16406

約数の個数: 224

約数和(自身を含む): 74212704000

約数和(自身を除く): 53317563840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 149, 160, 180, 192, 216, 240, 270, 288, 298, 320, 360, 432, 447, 480, 540, 576, 596, 720, 745, 864, 894, 960, 1080, 1192, 1341, 1440, 1490, 1728, 1788, 2160, 2235, 2384, 2682, 2880, 2980, 3576, 4023, 4320, 4470, 4768, 5364, 5960, 6705, 7152, 8046, 8640, 8940, 9536, 10728, 11920, 13410, 14304, 16092, 16231, 17880, 20115, 21456, 23840, 26820, 28608, 32184, 32462, 35760, 40230, 42912, 47680, 48693, 53640, 64368, 64924, 71520, 80460, 81155, 85824, 97386, 107280, 128736, 129848, 143040, 146079, 160920, 162310, 194772, 214560, 243465, 257472, 259696, 292158, 321840, 324620, 389544, 429120, 438237, 486930, 519392, 584316, 643680, 649240, 730395, 779088, 876474, 973860, 1038784, 1168632, 1287360, 1298480, 1460790, 1558176, 1752948, 1947720, 2191185, 2337264, 2418419, 2596960, 2921580, 3116352, 3505896, 3895440, 4382370, 4674528, 4836838, 5193920, 5843160, 7011792, 7255257, 7790880, 8764740, 9349056, 9673676, 11686320, 12092095, 14023584, 14510514, 15581760, 17529480, 19347352, 21765771, 23372640, 24184190, 28047168, 29021028, 35058960, 36276285, 38694704, 43531542, 46745280, 48368380, 58042056, 65297313, 70117920, 72552570, 77389408, 87063084, 96736760, 108828855, 116084112, 130594626, 140235840, 145105140, 154778816, 174126168, 193473520, 217657710, 232168224, 261189252, 290210280, 326486565, 348252336, 386947040, 435315420, 464336448, 522378504, 580420560, 652973130, 696504672, 773894080, 870630840, 1044757008, 1160841120, 1305946260, 1393009344, 1741261680, 2089514016, 2321682240, 2611892520, 3482523360, 4179028032, 5223785040, 6965046720, 10447570080, 20895140160]

約数ペア:

[(1, 20895140160), (2, 10447570080), (3, 6965046720), (4, 5223785040), (5, 4179028032), (6, 3482523360), (8, 2611892520), (9, 2321682240), (10, 2089514016), (12, 1741261680), (15, 1393009344), (16, 1305946260), (18, 1160841120), (20, 1044757008), (24, 870630840), (27, 773894080), (30, 696504672), (32, 652973130), (36, 580420560), (40, 522378504), (45, 464336448), (48, 435315420), (54, 386947040), (60, 348252336), (64, 326486565), (72, 290210280), (80, 261189252), (90, 232168224), (96, 217657710), (108, 193473520), (120, 174126168), (135, 154778816), (144, 145105140), (149, 140235840), (160, 130594626), (180, 116084112), (192, 108828855), (216, 96736760), (240, 87063084), (270, 77389408), (288, 72552570), (298, 70117920), (320, 65297313), (360, 58042056), (432, 48368380), (447, 46745280), (480, 43531542), (540, 38694704), (576, 36276285), (596, 35058960), (720, 29021028), (745, 28047168), (864, 24184190), (894, 23372640), (960, 21765771), (1080, 19347352), (1192, 17529480), (1341, 15581760), (1440, 14510514), (1490, 14023584), (1728, 12092095), (1788, 11686320), (2160, 9673676), (2235, 9349056), (2384, 8764740), (2682, 7790880), (2880, 7255257), (2980, 7011792), (3576, 5843160), (4023, 5193920), (4320, 4836838), (4470, 4674528), (4768, 4382370), (5364, 3895440), (5960, 3505896), (6705, 3116352), (7152, 2921580), (8046, 2596960), (8640, 2418419), (8940, 2337264), (9536, 2191185), (10728, 1947720), (11920, 1752948), (13410, 1558176), (14304, 1460790), (16092, 1298480), (16231, 1287360), (17880, 1168632), (20115, 1038784), (21456, 973860), (23840, 876474), (26820, 779088), (28608, 730395), (32184, 649240), (32462, 643680), (35760, 584316), (40230, 519392), (42912, 486930), (47680, 438237), (48693, 429120), (53640, 389544), (64368, 324620), (64924, 321840), (71520, 292158), (80460, 259696), (81155, 257472), (85824, 243465), (97386, 214560), (107280, 194772), (128736, 162310), (129848, 160920), (143040, 146079)]