128087960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 192

約数和(自身を含む): 394722720

約数和(自身を除く): 266634760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 457, 490, 520, 539, 572, 616, 637, 715, 728, 770, 910, 914, 980, 1001, 1078, 1144, 1274, 1430, 1540, 1820, 1828, 1960, 2002, 2156, 2285, 2548, 2695, 2860, 3080, 3185, 3199, 3640, 3656, 4004, 4312, 4570, 5005, 5027, 5096, 5390, 5720, 5941, 6370, 6398, 7007, 8008, 9140, 10010, 10054, 10780, 11882, 12740, 12796, 14014, 15995, 18280, 20020, 20108, 21560, 22393, 23764, 25135, 25480, 25592, 28028, 29705, 31990, 35035, 35189, 40040, 40216, 41587, 44786, 47528, 50270, 56056, 59410, 63980, 65351, 70070, 70378, 83174, 89572, 100540, 111965, 118820, 127960, 130702, 140140, 140756, 166348, 175945, 179144, 201080, 207935, 223930, 237640, 246323, 261404, 280280, 281512, 291109, 326755, 332696, 351890, 415870, 447860, 457457, 492646, 522808, 582218, 653510, 703780, 831740, 895720, 914914, 985292, 1164436, 1231615, 1307020, 1407560, 1455545, 1663480, 1829828, 1970584, 2287285, 2328872, 2463230, 2614040, 2911090, 3202199, 3659656, 4574570, 4926460, 5822180, 6404398, 9149140, 9852920, 11644360, 12808796, 16010995, 18298280, 25617592, 32021990, 64043980, 128087960]

約数ペア:

[(1, 128087960), (2, 64043980), (4, 32021990), (5, 25617592), (7, 18298280), (8, 16010995), (10, 12808796), (11, 11644360), (13, 9852920), (14, 9149140), (20, 6404398), (22, 5822180), (26, 4926460), (28, 4574570), (35, 3659656), (40, 3202199), (44, 2911090), (49, 2614040), (52, 2463230), (55, 2328872), (56, 2287285), (65, 1970584), (70, 1829828), (77, 1663480), (88, 1455545), (91, 1407560), (98, 1307020), (104, 1231615), (110, 1164436), (130, 985292), (140, 914914), (143, 895720), (154, 831740), (182, 703780), (196, 653510), (220, 582218), (245, 522808), (260, 492646), (280, 457457), (286, 447860), (308, 415870), (364, 351890), (385, 332696), (392, 326755), (440, 291109), (455, 281512), (457, 280280), (490, 261404), (520, 246323), (539, 237640), (572, 223930), (616, 207935), (637, 201080), (715, 179144), (728, 175945), (770, 166348), (910, 140756), (914, 140140), (980, 130702), (1001, 127960), (1078, 118820), (1144, 111965), (1274, 100540), (1430, 89572), (1540, 83174), (1820, 70378), (1828, 70070), (1960, 65351), (2002, 63980), (2156, 59410), (2285, 56056), (2548, 50270), (2695, 47528), (2860, 44786), (3080, 41587), (3185, 40216), (3199, 40040), (3640, 35189), (3656, 35035), (4004, 31990), (4312, 29705), (4570, 28028), (5005, 25592), (5027, 25480), (5096, 25135), (5390, 23764), (5720, 22393), (5941, 21560), (6370, 20108), (6398, 20020), (7007, 18280), (8008, 15995), (9140, 14014), (10010, 12796), (10054, 12740), (10780, 11882)]