272008880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 784235520

約数和(自身を除く): 512226640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 59, 62, 65, 80, 88, 104, 110, 118, 124, 130, 143, 155, 169, 176, 208, 220, 236, 248, 260, 286, 295, 310, 338, 341, 403, 440, 472, 496, 520, 572, 590, 620, 649, 676, 682, 715, 767, 806, 845, 880, 944, 1040, 1144, 1180, 1240, 1298, 1352, 1364, 1430, 1534, 1612, 1690, 1705, 1829, 1859, 2015, 2288, 2360, 2480, 2596, 2704, 2728, 2860, 3068, 3224, 3245, 3380, 3410, 3658, 3718, 3835, 4030, 4433, 4720, 5192, 5239, 5456, 5720, 6136, 6448, 6490, 6760, 6820, 7316, 7436, 7670, 8060, 8437, 8866, 9145, 9295, 9971, 10384, 10478, 11440, 12272, 12980, 13520, 13640, 14632, 14872, 15340, 16120, 16874, 17732, 18290, 18590, 19942, 20119, 20956, 22165, 23777, 25960, 26195, 27280, 29264, 29744, 30680, 32240, 33748, 35464, 36580, 37180, 39884, 40238, 41912, 42185, 44330, 47554, 49855, 51920, 52390, 57629, 61360, 67496, 70928, 73160, 74360, 79768, 80476, 83824, 84370, 88660, 95108, 99710, 100595, 104780, 109681, 115258, 118885, 134992, 146320, 148720, 159536, 160952, 168740, 177320, 190216, 199420, 201190, 209560, 219362, 230516, 237770, 261547, 288145, 309101, 321904, 337480, 354640, 380432, 398840, 402380, 419120, 438724, 461032, 475540, 523094, 548405, 576290, 618202, 674960, 797680, 804760, 877448, 922064, 951080, 1046188, 1096810, 1152580, 1236404, 1307735, 1545505, 1609520, 1754896, 1902160, 2092376, 2193620, 2305160, 2472808, 2615470, 3091010, 3400111, 4184752, 4387240, 4610320, 4945616, 5230940, 6182020, 6800222, 8774480, 10461880, 12364040, 13600444, 17000555, 20923760, 24728080, 27200888, 34001110, 54401776, 68002220, 136004440, 272008880]

約数ペア:

[(1, 272008880), (2, 136004440), (4, 68002220), (5, 54401776), (8, 34001110), (10, 27200888), (11, 24728080), (13, 20923760), (16, 17000555), (20, 13600444), (22, 12364040), (26, 10461880), (31, 8774480), (40, 6800222), (44, 6182020), (52, 5230940), (55, 4945616), (59, 4610320), (62, 4387240), (65, 4184752), (80, 3400111), (88, 3091010), (104, 2615470), (110, 2472808), (118, 2305160), (124, 2193620), (130, 2092376), (143, 1902160), (155, 1754896), (169, 1609520), (176, 1545505), (208, 1307735), (220, 1236404), (236, 1152580), (248, 1096810), (260, 1046188), (286, 951080), (295, 922064), (310, 877448), (338, 804760), (341, 797680), (403, 674960), (440, 618202), (472, 576290), (496, 548405), (520, 523094), (572, 475540), (590, 461032), (620, 438724), (649, 419120), (676, 402380), (682, 398840), (715, 380432), (767, 354640), (806, 337480), (845, 321904), (880, 309101), (944, 288145), (1040, 261547), (1144, 237770), (1180, 230516), (1240, 219362), (1298, 209560), (1352, 201190), (1364, 199420), (1430, 190216), (1534, 177320), (1612, 168740), (1690, 160952), (1705, 159536), (1829, 148720), (1859, 146320), (2015, 134992), (2288, 118885), (2360, 115258), (2480, 109681), (2596, 104780), (2704, 100595), (2728, 99710), (2860, 95108), (3068, 88660), (3224, 84370), (3245, 83824), (3380, 80476), (3410, 79768), (3658, 74360), (3718, 73160), (3835, 70928), (4030, 67496), (4433, 61360), (4720, 57629), (5192, 52390), (5239, 51920), (5456, 49855), (5720, 47554), (6136, 44330), (6448, 42185), (6490, 41912), (6760, 40238), (6820, 39884), (7316, 37180), (7436, 36580), (7670, 35464), (8060, 33748), (8437, 32240), (8866, 30680), (9145, 29744), (9295, 29264), (9971, 27280), (10384, 26195), (10478, 25960), (11440, 23777), (12272, 22165), (12980, 20956), (13520, 20119), (13640, 19942), (14632, 18590), (14872, 18290), (15340, 17732), (16120, 16874)]