620780670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 144

約数和(自身を含む): 1775835360

約数和(自身を除く): 1155054690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 289, 290, 306, 435, 493, 510, 522, 578, 765, 823, 867, 870, 986, 1305, 1445, 1479, 1530, 1646, 1734, 2465, 2469, 2601, 2610, 2890, 2958, 4115, 4335, 4437, 4930, 4938, 5202, 7395, 7407, 8230, 8381, 8670, 8874, 12345, 13005, 13991, 14790, 14814, 16762, 22185, 23867, 24690, 25143, 26010, 27982, 37035, 41905, 41973, 44370, 47734, 50286, 69955, 71601, 74070, 75429, 83810, 83946, 119335, 125715, 125919, 139910, 143202, 150858, 209865, 214803, 237847, 238670, 251430, 251838, 358005, 377145, 405739, 419730, 429606, 475694, 629595, 713541, 716010, 754290, 811478, 1074015, 1189235, 1217217, 1259190, 1427082, 2028695, 2140623, 2148030, 2378470, 2434434, 3567705, 3651651, 4057390, 4281246, 6086085, 6897563, 7135410, 7303302, 10703115, 12172170, 13795126, 18258255, 20692689, 21406230, 34487815, 36516510, 41385378, 62078067, 68975630, 103463445, 124156134, 206926890, 310390335, 620780670]

約数ペア:

[(1, 620780670), (2, 310390335), (3, 206926890), (5, 124156134), (6, 103463445), (9, 68975630), (10, 62078067), (15, 41385378), (17, 36516510), (18, 34487815), (29, 21406230), (30, 20692689), (34, 18258255), (45, 13795126), (51, 12172170), (58, 10703115), (85, 7303302), (87, 7135410), (90, 6897563), (102, 6086085), (145, 4281246), (153, 4057390), (170, 3651651), (174, 3567705), (255, 2434434), (261, 2378470), (289, 2148030), (290, 2140623), (306, 2028695), (435, 1427082), (493, 1259190), (510, 1217217), (522, 1189235), (578, 1074015), (765, 811478), (823, 754290), (867, 716010), (870, 713541), (986, 629595), (1305, 475694), (1445, 429606), (1479, 419730), (1530, 405739), (1646, 377145), (1734, 358005), (2465, 251838), (2469, 251430), (2601, 238670), (2610, 237847), (2890, 214803), (2958, 209865), (4115, 150858), (4335, 143202), (4437, 139910), (4930, 125919), (4938, 125715), (5202, 119335), (7395, 83946), (7407, 83810), (8230, 75429), (8381, 74070), (8670, 71601), (8874, 69955), (12345, 50286), (13005, 47734), (13991, 44370), (14790, 41973), (14814, 41905), (16762, 37035), (22185, 27982), (23867, 26010), (24690, 25143)]