19964851560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{4649}}^1$

素因数の和:4896

約数の個数: 192

約数和(自身を含む): 66156480000

約数和(自身を除く): 46191628440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 151, 158, 180, 237, 302, 316, 360, 395, 453, 474, 604, 632, 711, 755, 790, 906, 948, 1185, 1208, 1359, 1422, 1510, 1580, 1812, 1896, 2265, 2370, 2718, 2844, 3020, 3160, 3555, 3624, 4530, 4649, 4740, 5436, 5688, 6040, 6795, 7110, 9060, 9298, 9480, 10872, 11929, 13590, 13947, 14220, 18120, 18596, 23245, 23858, 27180, 27894, 28440, 35787, 37192, 41841, 46490, 47716, 54360, 55788, 59645, 69735, 71574, 83682, 92980, 95432, 107361, 111576, 119290, 139470, 143148, 167364, 178935, 185960, 209205, 214722, 238580, 278940, 286296, 334728, 357870, 367271, 418410, 429444, 477160, 536805, 557880, 701999, 715740, 734542, 836820, 858888, 1073610, 1101813, 1403998, 1431480, 1469084, 1673640, 1836355, 2105997, 2147220, 2203626, 2807996, 2938168, 3305439, 3509995, 3672710, 4211994, 4294440, 4407252, 5509065, 5615992, 6317991, 6610878, 7019990, 7345420, 8423988, 8814504, 10529985, 11018130, 12635982, 13221756, 14039980, 14690840, 16527195, 16847976, 21059970, 22036260, 25271964, 26443512, 28079960, 31589955, 33054390, 42119940, 44072520, 50543928, 55457921, 63179910, 66108780, 84239880, 110915842, 126359820, 132217560, 166373763, 221831684, 252719640, 277289605, 332747526, 443663368, 499121289, 554579210, 665495052, 831868815, 998242578, 1109158420, 1330990104, 1663737630, 1996485156, 2218316840, 2495606445, 3327475260, 3992970312, 4991212890, 6654950520, 9982425780, 19964851560]

約数ペア:

[(1, 19964851560), (2, 9982425780), (3, 6654950520), (4, 4991212890), (5, 3992970312), (6, 3327475260), (8, 2495606445), (9, 2218316840), (10, 1996485156), (12, 1663737630), (15, 1330990104), (18, 1109158420), (20, 998242578), (24, 831868815), (30, 665495052), (36, 554579210), (40, 499121289), (45, 443663368), (60, 332747526), (72, 277289605), (79, 252719640), (90, 221831684), (120, 166373763), (151, 132217560), (158, 126359820), (180, 110915842), (237, 84239880), (302, 66108780), (316, 63179910), (360, 55457921), (395, 50543928), (453, 44072520), (474, 42119940), (604, 33054390), (632, 31589955), (711, 28079960), (755, 26443512), (790, 25271964), (906, 22036260), (948, 21059970), (1185, 16847976), (1208, 16527195), (1359, 14690840), (1422, 14039980), (1510, 13221756), (1580, 12635982), (1812, 11018130), (1896, 10529985), (2265, 8814504), (2370, 8423988), (2718, 7345420), (2844, 7019990), (3020, 6610878), (3160, 6317991), (3555, 5615992), (3624, 5509065), (4530, 4407252), (4649, 4294440), (4740, 4211994), (5436, 3672710), (5688, 3509995), (6040, 3305439), (6795, 2938168), (7110, 2807996), (9060, 2203626), (9298, 2147220), (9480, 2105997), (10872, 1836355), (11929, 1673640), (13590, 1469084), (13947, 1431480), (14220, 1403998), (18120, 1101813), (18596, 1073610), (23245, 858888), (23858, 836820), (27180, 734542), (27894, 715740), (28440, 701999), (35787, 557880), (37192, 536805), (41841, 477160), (46490, 429444), (47716, 418410), (54360, 367271), (55788, 357870), (59645, 334728), (69735, 286296), (71574, 278940), (83682, 238580), (92980, 214722), (95432, 209205), (107361, 185960), (111576, 178935), (119290, 167364), (139470, 143148)]