355899127120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{2251}}^1$

素因数の和:2685

約数の個数: 160

約数和(自身を含む): 850779296640

約数和(自身を除く): 494880169520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 179, 181, 244, 305, 358, 362, 488, 610, 716, 724, 895, 905, 976, 1220, 1432, 1448, 1790, 1810, 2251, 2440, 2864, 2896, 3580, 3620, 4502, 4880, 7160, 7240, 9004, 10919, 11041, 11255, 14320, 14480, 18008, 21838, 22082, 22510, 32399, 36016, 43676, 44164, 45020, 54595, 55205, 64798, 87352, 88328, 90040, 109190, 110410, 129596, 137311, 161995, 174704, 176656, 180080, 218380, 220820, 259192, 274622, 323990, 402929, 407431, 436760, 441640, 518384, 549244, 647980, 686555, 805858, 814862, 873520, 883280, 1098488, 1295960, 1373110, 1611716, 1629724, 1976339, 2014645, 2037155, 2196976, 2591920, 2746220, 3223432, 3259448, 3952678, 4029290, 4074310, 5492440, 6446864, 6518896, 7905356, 8058580, 8148620, 9881695, 10984880, 15810712, 16117160, 16297240, 19763390, 24578669, 24853291, 31621424, 32234320, 32594480, 39526780, 49157338, 49706582, 72930149, 79053560, 98314676, 99413164, 122893345, 124266455, 145860298, 158107120, 196629352, 198826328, 245786690, 248532910, 291720596, 364650745, 393258704, 397652656, 491573380, 497065820, 583441192, 729301490, 983146760, 994131640, 1166882384, 1458602980, 1966293520, 1988263280, 2917205960, 4448739089, 5834411920, 8897478178, 17794956356, 22243695445, 35589912712, 44487390890, 71179825424, 88974781780, 177949563560, 355899127120]

約数ペア:

[(1, 355899127120), (2, 177949563560), (4, 88974781780), (5, 71179825424), (8, 44487390890), (10, 35589912712), (16, 22243695445), (20, 17794956356), (40, 8897478178), (61, 5834411920), (80, 4448739089), (122, 2917205960), (179, 1988263280), (181, 1966293520), (244, 1458602980), (305, 1166882384), (358, 994131640), (362, 983146760), (488, 729301490), (610, 583441192), (716, 497065820), (724, 491573380), (895, 397652656), (905, 393258704), (976, 364650745), (1220, 291720596), (1432, 248532910), (1448, 245786690), (1790, 198826328), (1810, 196629352), (2251, 158107120), (2440, 145860298), (2864, 124266455), (2896, 122893345), (3580, 99413164), (3620, 98314676), (4502, 79053560), (4880, 72930149), (7160, 49706582), (7240, 49157338), (9004, 39526780), (10919, 32594480), (11041, 32234320), (11255, 31621424), (14320, 24853291), (14480, 24578669), (18008, 19763390), (21838, 16297240), (22082, 16117160), (22510, 15810712), (32399, 10984880), (36016, 9881695), (43676, 8148620), (44164, 8058580), (45020, 7905356), (54595, 6518896), (55205, 6446864), (64798, 5492440), (87352, 4074310), (88328, 4029290), (90040, 3952678), (109190, 3259448), (110410, 3223432), (129596, 2746220), (137311, 2591920), (161995, 2196976), (174704, 2037155), (176656, 2014645), (180080, 1976339), (218380, 1629724), (220820, 1611716), (259192, 1373110), (274622, 1295960), (323990, 1098488), (402929, 883280), (407431, 873520), (436760, 814862), (441640, 805858), (518384, 686555), (549244, 647980)]