21560911920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{235793}}^1$

素因数の和:235939

約数の個数: 120

約数和(自身を含む): 72979186176

約数和(自身を除く): 51418274256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 6096, 7620, 9144, 10160, 11430, 15240, 18288, 22860, 30480, 45720, 91440, 235793, 471586, 707379, 943172, 1178965, 1414758, 1886344, 2122137, 2357930, 2829516, 3536895, 3772688, 4244274, 4715860, 5659032, 7073790, 8488548, 9431720, 10610685, 11318064, 14147580, 16977096, 18863440, 21221370, 28295160, 29945711, 33954192, 42442740, 56590320, 59891422, 84885480, 89837133, 119782844, 149728555, 169770960, 179674266, 239565688, 269511399, 299457110, 359348532, 449185665, 479131376, 539022798, 598914220, 718697064, 898371330, 1078045596, 1197828440, 1347556995, 1437394128, 1796742660, 2156091192, 2395656880, 2695113990, 3593485320, 4312182384, 5390227980, 7186970640, 10780455960, 21560911920]

約数ペア:

[(1, 21560911920), (2, 10780455960), (3, 7186970640), (4, 5390227980), (5, 4312182384), (6, 3593485320), (8, 2695113990), (9, 2395656880), (10, 2156091192), (12, 1796742660), (15, 1437394128), (16, 1347556995), (18, 1197828440), (20, 1078045596), (24, 898371330), (30, 718697064), (36, 598914220), (40, 539022798), (45, 479131376), (48, 449185665), (60, 359348532), (72, 299457110), (80, 269511399), (90, 239565688), (120, 179674266), (127, 169770960), (144, 149728555), (180, 119782844), (240, 89837133), (254, 84885480), (360, 59891422), (381, 56590320), (508, 42442740), (635, 33954192), (720, 29945711), (762, 28295160), (1016, 21221370), (1143, 18863440), (1270, 16977096), (1524, 14147580), (1905, 11318064), (2032, 10610685), (2286, 9431720), (2540, 8488548), (3048, 7073790), (3810, 5659032), (4572, 4715860), (5080, 4244274), (5715, 3772688), (6096, 3536895), (7620, 2829516), (9144, 2357930), (10160, 2122137), (11430, 1886344), (15240, 1414758), (18288, 1178965), (22860, 943172), (30480, 707379), (45720, 471586), (91440, 235793)]