395649280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 1077269760

約数和(自身を除く): 681620480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 59, 62, 64, 65, 80, 104, 118, 124, 128, 130, 155, 160, 169, 208, 236, 248, 256, 260, 295, 310, 320, 338, 403, 416, 472, 496, 520, 590, 620, 640, 676, 767, 806, 832, 845, 944, 992, 1040, 1180, 1240, 1280, 1352, 1534, 1612, 1664, 1690, 1829, 1888, 1984, 2015, 2080, 2360, 2480, 2704, 3068, 3224, 3328, 3380, 3658, 3776, 3835, 3968, 4030, 4160, 4720, 4960, 5239, 5408, 6136, 6448, 6760, 7316, 7552, 7670, 7936, 8060, 8320, 9145, 9440, 9920, 9971, 10478, 10816, 12272, 12896, 13520, 14632, 15104, 15340, 16120, 16640, 18290, 18880, 19840, 19942, 20956, 21632, 23777, 24544, 25792, 26195, 27040, 29264, 30680, 32240, 36580, 37760, 39680, 39884, 41912, 43264, 47554, 49088, 49855, 51584, 52390, 54080, 58528, 61360, 64480, 73160, 75520, 79768, 83824, 95108, 98176, 99710, 103168, 104780, 108160, 117056, 118885, 122720, 128960, 146320, 159536, 167648, 190216, 196352, 199420, 209560, 216320, 234112, 237770, 245440, 257920, 292640, 309101, 319072, 335296, 380432, 398840, 419120, 468224, 475540, 490880, 515840, 585280, 618202, 638144, 670592, 760864, 797680, 838240, 951080, 981760, 1170560, 1236404, 1276288, 1341184, 1521728, 1545505, 1595360, 1676480, 1902160, 2341120, 2472808, 2552576, 3043456, 3091010, 3190720, 3352960, 3804320, 4945616, 6086912, 6182020, 6381440, 6705920, 7608640, 9891232, 12364040, 12762880, 15217280, 19782464, 24728080, 30434560, 39564928, 49456160, 79129856, 98912320, 197824640, 395649280]

約数ペア:

[(1, 395649280), (2, 197824640), (4, 98912320), (5, 79129856), (8, 49456160), (10, 39564928), (13, 30434560), (16, 24728080), (20, 19782464), (26, 15217280), (31, 12762880), (32, 12364040), (40, 9891232), (52, 7608640), (59, 6705920), (62, 6381440), (64, 6182020), (65, 6086912), (80, 4945616), (104, 3804320), (118, 3352960), (124, 3190720), (128, 3091010), (130, 3043456), (155, 2552576), (160, 2472808), (169, 2341120), (208, 1902160), (236, 1676480), (248, 1595360), (256, 1545505), (260, 1521728), (295, 1341184), (310, 1276288), (320, 1236404), (338, 1170560), (403, 981760), (416, 951080), (472, 838240), (496, 797680), (520, 760864), (590, 670592), (620, 638144), (640, 618202), (676, 585280), (767, 515840), (806, 490880), (832, 475540), (845, 468224), (944, 419120), (992, 398840), (1040, 380432), (1180, 335296), (1240, 319072), (1280, 309101), (1352, 292640), (1534, 257920), (1612, 245440), (1664, 237770), (1690, 234112), (1829, 216320), (1888, 209560), (1984, 199420), (2015, 196352), (2080, 190216), (2360, 167648), (2480, 159536), (2704, 146320), (3068, 128960), (3224, 122720), (3328, 118885), (3380, 117056), (3658, 108160), (3776, 104780), (3835, 103168), (3968, 99710), (4030, 98176), (4160, 95108), (4720, 83824), (4960, 79768), (5239, 75520), (5408, 73160), (6136, 64480), (6448, 61360), (6760, 58528), (7316, 54080), (7552, 52390), (7670, 51584), (7936, 49855), (8060, 49088), (8320, 47554), (9145, 43264), (9440, 41912), (9920, 39884), (9971, 39680), (10478, 37760), (10816, 36580), (12272, 32240), (12896, 30680), (13520, 29264), (14632, 27040), (15104, 26195), (15340, 25792), (16120, 24544), (16640, 23777), (18290, 21632), (18880, 20956), (19840, 19942)]