208020120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 256

約数和(自身を含む): 796262400

約数和(自身を除く): 588242280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 55, 56, 60, 66, 70, 77, 84, 88, 94, 105, 110, 120, 132, 140, 141, 154, 165, 168, 188, 210, 220, 231, 235, 264, 280, 282, 308, 329, 330, 376, 385, 420, 440, 462, 470, 479, 517, 564, 616, 658, 660, 705, 770, 840, 924, 940, 958, 987, 1034, 1128, 1155, 1316, 1320, 1410, 1437, 1540, 1551, 1645, 1848, 1880, 1916, 1974, 2068, 2310, 2395, 2585, 2632, 2820, 2874, 3080, 3102, 3290, 3353, 3619, 3832, 3948, 4136, 4620, 4790, 4935, 5170, 5269, 5640, 5748, 6204, 6580, 6706, 7185, 7238, 7755, 7896, 9240, 9580, 9870, 10059, 10340, 10538, 10857, 11496, 12408, 13160, 13412, 14370, 14476, 15510, 15807, 16765, 18095, 19160, 19740, 20118, 20680, 21076, 21714, 22513, 26345, 26824, 28740, 28952, 31020, 31614, 33530, 36190, 36883, 39480, 40236, 42152, 43428, 45026, 50295, 52690, 54285, 57480, 62040, 63228, 67060, 67539, 72380, 73766, 79035, 80472, 86856, 90052, 100590, 105380, 108570, 110649, 112565, 126456, 134120, 135078, 144760, 147532, 157591, 158070, 180104, 184415, 201180, 210760, 217140, 221298, 225130, 247643, 270156, 295064, 315182, 316140, 337695, 368830, 402360, 434280, 442596, 450260, 472773, 495286, 540312, 553245, 630364, 632280, 675390, 737660, 742929, 787955, 885192, 900520, 945546, 990572, 1106490, 1238215, 1260728, 1350780, 1475320, 1485858, 1575910, 1733501, 1891092, 1981144, 2212980, 2363865, 2476430, 2701560, 2971716, 3151820, 3467002, 3714645, 3782184, 4425960, 4727730, 4952860, 5200503, 5943432, 6303640, 6934004, 7429290, 8667505, 9455460, 9905720, 10401006, 13868008, 14858580, 17335010, 18910920, 20802012, 26002515, 29717160, 34670020, 41604024, 52005030, 69340040, 104010060, 208020120]

約数ペア:

[(1, 208020120), (2, 104010060), (3, 69340040), (4, 52005030), (5, 41604024), (6, 34670020), (7, 29717160), (8, 26002515), (10, 20802012), (11, 18910920), (12, 17335010), (14, 14858580), (15, 13868008), (20, 10401006), (21, 9905720), (22, 9455460), (24, 8667505), (28, 7429290), (30, 6934004), (33, 6303640), (35, 5943432), (40, 5200503), (42, 4952860), (44, 4727730), (47, 4425960), (55, 3782184), (56, 3714645), (60, 3467002), (66, 3151820), (70, 2971716), (77, 2701560), (84, 2476430), (88, 2363865), (94, 2212980), (105, 1981144), (110, 1891092), (120, 1733501), (132, 1575910), (140, 1485858), (141, 1475320), (154, 1350780), (165, 1260728), (168, 1238215), (188, 1106490), (210, 990572), (220, 945546), (231, 900520), (235, 885192), (264, 787955), (280, 742929), (282, 737660), (308, 675390), (329, 632280), (330, 630364), (376, 553245), (385, 540312), (420, 495286), (440, 472773), (462, 450260), (470, 442596), (479, 434280), (517, 402360), (564, 368830), (616, 337695), (658, 316140), (660, 315182), (705, 295064), (770, 270156), (840, 247643), (924, 225130), (940, 221298), (958, 217140), (987, 210760), (1034, 201180), (1128, 184415), (1155, 180104), (1316, 158070), (1320, 157591), (1410, 147532), (1437, 144760), (1540, 135078), (1551, 134120), (1645, 126456), (1848, 112565), (1880, 110649), (1916, 108570), (1974, 105380), (2068, 100590), (2310, 90052), (2395, 86856), (2585, 80472), (2632, 79035), (2820, 73766), (2874, 72380), (3080, 67539), (3102, 67060), (3290, 63228), (3353, 62040), (3619, 57480), (3832, 54285), (3948, 52690), (4136, 50295), (4620, 45026), (4790, 43428), (4935, 42152), (5170, 40236), (5269, 39480), (5640, 36883), (5748, 36190), (6204, 33530), (6580, 31614), (6706, 31020), (7185, 28952), (7238, 28740), (7755, 26824), (7896, 26345), (9240, 22513), (9580, 21714), (9870, 21076), (10059, 20680), (10340, 20118), (10538, 19740), (10857, 19160), (11496, 18095), (12408, 16765), (13160, 15807), (13412, 15510), (14370, 14476)]