20178970080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{6229}}^1$

素因数の和:6661

約数の個数: 192

約数和(自身を含む): 67483160640

約数和(自身を除く): 47304190560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 397, 408, 480, 510, 544, 680, 794, 816, 1020, 1191, 1360, 1588, 1632, 1985, 2040, 2382, 2720, 3176, 3970, 4080, 4764, 5955, 6229, 6352, 6749, 7940, 8160, 9528, 11910, 12458, 12704, 13498, 15880, 18687, 19056, 20247, 23820, 24916, 26996, 31145, 31760, 33745, 37374, 38112, 40494, 47640, 49832, 53992, 62290, 63520, 67490, 74748, 80988, 93435, 95280, 99664, 101235, 105893, 107984, 124580, 134980, 149496, 161976, 186870, 190560, 199328, 202470, 211786, 215968, 249160, 269960, 298992, 317679, 323952, 373740, 404940, 423572, 498320, 529465, 539920, 597984, 635358, 647904, 747480, 809880, 847144, 996640, 1058930, 1079840, 1270716, 1494960, 1588395, 1619760, 1694288, 2117860, 2472913, 2541432, 2989920, 3176790, 3239520, 3388576, 4235720, 4945826, 5082864, 6353580, 7418739, 8471440, 9891652, 10165728, 12364565, 12707160, 14837478, 16942880, 19783304, 24729130, 25414320, 29674956, 37093695, 39566608, 42039521, 49458260, 50828640, 59349912, 74187390, 79133216, 84079042, 98916520, 118699824, 126118563, 148374780, 168158084, 197833040, 210197605, 237399648, 252237126, 296749560, 336316168, 395666080, 420395210, 504474252, 593499120, 630592815, 672632336, 840790420, 1008948504, 1186998240, 1261185630, 1345264672, 1681580840, 2017897008, 2522371260, 3363161680, 4035794016, 5044742520, 6726323360, 10089485040, 20178970080]

約数ペア:

[(1, 20178970080), (2, 10089485040), (3, 6726323360), (4, 5044742520), (5, 4035794016), (6, 3363161680), (8, 2522371260), (10, 2017897008), (12, 1681580840), (15, 1345264672), (16, 1261185630), (17, 1186998240), (20, 1008948504), (24, 840790420), (30, 672632336), (32, 630592815), (34, 593499120), (40, 504474252), (48, 420395210), (51, 395666080), (60, 336316168), (68, 296749560), (80, 252237126), (85, 237399648), (96, 210197605), (102, 197833040), (120, 168158084), (136, 148374780), (160, 126118563), (170, 118699824), (204, 98916520), (240, 84079042), (255, 79133216), (272, 74187390), (340, 59349912), (397, 50828640), (408, 49458260), (480, 42039521), (510, 39566608), (544, 37093695), (680, 29674956), (794, 25414320), (816, 24729130), (1020, 19783304), (1191, 16942880), (1360, 14837478), (1588, 12707160), (1632, 12364565), (1985, 10165728), (2040, 9891652), (2382, 8471440), (2720, 7418739), (3176, 6353580), (3970, 5082864), (4080, 4945826), (4764, 4235720), (5955, 3388576), (6229, 3239520), (6352, 3176790), (6749, 2989920), (7940, 2541432), (8160, 2472913), (9528, 2117860), (11910, 1694288), (12458, 1619760), (12704, 1588395), (13498, 1494960), (15880, 1270716), (18687, 1079840), (19056, 1058930), (20247, 996640), (23820, 847144), (24916, 809880), (26996, 747480), (31145, 647904), (31760, 635358), (33745, 597984), (37374, 539920), (38112, 529465), (40494, 498320), (47640, 423572), (49832, 404940), (53992, 373740), (62290, 323952), (63520, 317679), (67490, 298992), (74748, 269960), (80988, 249160), (93435, 215968), (95280, 211786), (99664, 202470), (101235, 199328), (105893, 190560), (107984, 186870), (124580, 161976), (134980, 149496)]