320870880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 288

約数和(自身を含む): 1222760448

約数和(自身を除く): 901889568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 47, 48, 55, 60, 66, 72, 80, 88, 90, 94, 96, 99, 110, 120, 132, 141, 144, 160, 165, 176, 180, 188, 198, 220, 235, 240, 264, 282, 288, 330, 352, 360, 376, 396, 423, 431, 440, 470, 480, 495, 517, 528, 564, 660, 705, 720, 752, 792, 846, 862, 880, 940, 990, 1034, 1056, 1128, 1293, 1320, 1410, 1440, 1504, 1551, 1584, 1692, 1724, 1760, 1880, 1980, 2068, 2115, 2155, 2256, 2585, 2586, 2640, 2820, 3102, 3168, 3384, 3448, 3760, 3879, 3960, 4136, 4230, 4310, 4512, 4653, 4741, 5170, 5172, 5280, 5640, 6204, 6465, 6768, 6896, 7520, 7755, 7758, 7920, 8272, 8460, 8620, 9306, 9482, 10340, 10344, 11280, 12408, 12930, 13536, 13792, 14223, 15510, 15516, 15840, 16544, 16920, 17240, 18612, 18964, 19395, 20257, 20680, 20688, 22560, 23265, 23705, 24816, 25860, 28446, 31020, 31032, 33840, 34480, 37224, 37928, 38790, 40514, 41360, 41376, 42669, 46530, 47410, 49632, 51720, 56892, 60771, 62040, 62064, 67680, 68960, 71115, 74448, 75856, 77580, 81028, 82720, 85338, 93060, 94820, 101285, 103440, 113784, 121542, 124080, 124128, 142230, 148896, 151712, 155160, 162056, 170676, 182313, 186120, 189640, 202570, 206880, 213345, 222827, 227568, 243084, 248160, 284460, 303855, 310320, 324112, 341352, 364626, 372240, 379280, 405140, 426690, 445654, 455136, 486168, 568920, 607710, 620640, 648224, 668481, 682704, 729252, 744480, 758560, 810280, 853380, 891308, 911565, 972336, 1114135, 1137840, 1215420, 1336962, 1365408, 1458504, 1620560, 1706760, 1782616, 1823130, 1944672, 2005443, 2228270, 2275680, 2430840, 2673924, 2917008, 3241120, 3342405, 3413520, 3565232, 3646260, 4010886, 4456540, 4861680, 5347848, 5834016, 6684810, 6827040, 7130464, 7292520, 8021772, 8913080, 9723360, 10027215, 10695696, 13369620, 14585040, 16043544, 17826160, 20054430, 21391392, 26739240, 29170080, 32087088, 35652320, 40108860, 53478480, 64174176, 80217720, 106956960, 160435440, 320870880]

約数ペア:

[(1, 320870880), (2, 160435440), (3, 106956960), (4, 80217720), (5, 64174176), (6, 53478480), (8, 40108860), (9, 35652320), (10, 32087088), (11, 29170080), (12, 26739240), (15, 21391392), (16, 20054430), (18, 17826160), (20, 16043544), (22, 14585040), (24, 13369620), (30, 10695696), (32, 10027215), (33, 9723360), (36, 8913080), (40, 8021772), (44, 7292520), (45, 7130464), (47, 6827040), (48, 6684810), (55, 5834016), (60, 5347848), (66, 4861680), (72, 4456540), (80, 4010886), (88, 3646260), (90, 3565232), (94, 3413520), (96, 3342405), (99, 3241120), (110, 2917008), (120, 2673924), (132, 2430840), (141, 2275680), (144, 2228270), (160, 2005443), (165, 1944672), (176, 1823130), (180, 1782616), (188, 1706760), (198, 1620560), (220, 1458504), (235, 1365408), (240, 1336962), (264, 1215420), (282, 1137840), (288, 1114135), (330, 972336), (352, 911565), (360, 891308), (376, 853380), (396, 810280), (423, 758560), (431, 744480), (440, 729252), (470, 682704), (480, 668481), (495, 648224), (517, 620640), (528, 607710), (564, 568920), (660, 486168), (705, 455136), (720, 445654), (752, 426690), (792, 405140), (846, 379280), (862, 372240), (880, 364626), (940, 341352), (990, 324112), (1034, 310320), (1056, 303855), (1128, 284460), (1293, 248160), (1320, 243084), (1410, 227568), (1440, 222827), (1504, 213345), (1551, 206880), (1584, 202570), (1692, 189640), (1724, 186120), (1760, 182313), (1880, 170676), (1980, 162056), (2068, 155160), (2115, 151712), (2155, 148896), (2256, 142230), (2585, 124128), (2586, 124080), (2640, 121542), (2820, 113784), (3102, 103440), (3168, 101285), (3384, 94820), (3448, 93060), (3760, 85338), (3879, 82720), (3960, 81028), (4136, 77580), (4230, 75856), (4310, 74448), (4512, 71115), (4653, 68960), (4741, 67680), (5170, 62064), (5172, 62040), (5280, 60771), (5640, 56892), (6204, 51720), (6465, 49632), (6768, 47410), (6896, 46530), (7520, 42669), (7755, 41376), (7758, 41360), (7920, 40514), (8272, 38790), (8460, 37928), (8620, 37224), (9306, 34480), (9482, 33840), (10340, 31032), (10344, 31020), (11280, 28446), (12408, 25860), (12930, 24816), (13536, 23705), (13792, 23265), (14223, 22560), (15510, 20688), (15516, 20680), (15840, 20257), (16544, 19395), (16920, 18964), (17240, 18612)]