81560160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 288

約数和(自身を含む): 320785920

約数和(自身を除く): 239225760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 96, 99, 110, 114, 120, 132, 144, 152, 160, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 271, 285, 288, 304, 330, 342, 352, 360, 380, 396, 418, 440, 456, 480, 495, 528, 542, 570, 608, 627, 660, 684, 720, 760, 792, 813, 836, 855, 880, 912, 990, 1045, 1056, 1084, 1140, 1254, 1320, 1355, 1368, 1440, 1520, 1584, 1626, 1672, 1710, 1760, 1824, 1881, 1980, 2090, 2168, 2280, 2439, 2508, 2640, 2710, 2736, 2981, 3040, 3135, 3168, 3252, 3344, 3420, 3762, 3960, 4065, 4180, 4336, 4560, 4878, 5016, 5149, 5280, 5420, 5472, 5962, 6270, 6504, 6688, 6840, 7524, 7920, 8130, 8360, 8672, 8943, 9120, 9405, 9756, 10032, 10298, 10840, 11924, 12195, 12540, 13008, 13680, 14905, 15048, 15447, 15840, 16260, 16720, 17886, 18810, 19512, 20064, 20596, 21680, 23848, 24390, 25080, 25745, 26016, 26829, 27360, 29810, 30096, 30894, 32520, 33440, 35772, 37620, 39024, 41192, 43360, 44715, 46341, 47696, 48780, 50160, 51490, 53658, 56639, 59620, 60192, 61788, 65040, 71544, 75240, 77235, 78048, 82384, 89430, 92682, 95392, 97560, 100320, 102980, 107316, 113278, 119240, 123576, 130080, 134145, 143088, 150480, 154470, 164768, 169917, 178860, 185364, 195120, 205960, 214632, 226556, 231705, 238480, 247152, 268290, 283195, 286176, 300960, 308940, 339834, 357720, 370728, 390240, 411920, 429264, 453112, 463410, 476960, 494304, 509751, 536580, 566390, 617880, 679668, 715440, 741456, 823840, 849585, 858528, 906224, 926820, 1019502, 1073160, 1132780, 1235760, 1359336, 1430880, 1482912, 1699170, 1812448, 1853640, 2039004, 2146320, 2265560, 2471520, 2548755, 2718672, 3398340, 3707280, 4078008, 4292640, 4531120, 5097510, 5437344, 6796680, 7414560, 8156016, 9062240, 10195020, 13593360, 16312032, 20390040, 27186720, 40780080, 81560160]

約数ペア:

[(1, 81560160), (2, 40780080), (3, 27186720), (4, 20390040), (5, 16312032), (6, 13593360), (8, 10195020), (9, 9062240), (10, 8156016), (11, 7414560), (12, 6796680), (15, 5437344), (16, 5097510), (18, 4531120), (19, 4292640), (20, 4078008), (22, 3707280), (24, 3398340), (30, 2718672), (32, 2548755), (33, 2471520), (36, 2265560), (38, 2146320), (40, 2039004), (44, 1853640), (45, 1812448), (48, 1699170), (55, 1482912), (57, 1430880), (60, 1359336), (66, 1235760), (72, 1132780), (76, 1073160), (80, 1019502), (88, 926820), (90, 906224), (95, 858528), (96, 849585), (99, 823840), (110, 741456), (114, 715440), (120, 679668), (132, 617880), (144, 566390), (152, 536580), (160, 509751), (165, 494304), (171, 476960), (176, 463410), (180, 453112), (190, 429264), (198, 411920), (209, 390240), (220, 370728), (228, 357720), (240, 339834), (264, 308940), (271, 300960), (285, 286176), (288, 283195), (304, 268290), (330, 247152), (342, 238480), (352, 231705), (360, 226556), (380, 214632), (396, 205960), (418, 195120), (440, 185364), (456, 178860), (480, 169917), (495, 164768), (528, 154470), (542, 150480), (570, 143088), (608, 134145), (627, 130080), (660, 123576), (684, 119240), (720, 113278), (760, 107316), (792, 102980), (813, 100320), (836, 97560), (855, 95392), (880, 92682), (912, 89430), (990, 82384), (1045, 78048), (1056, 77235), (1084, 75240), (1140, 71544), (1254, 65040), (1320, 61788), (1355, 60192), (1368, 59620), (1440, 56639), (1520, 53658), (1584, 51490), (1626, 50160), (1672, 48780), (1710, 47696), (1760, 46341), (1824, 44715), (1881, 43360), (1980, 41192), (2090, 39024), (2168, 37620), (2280, 35772), (2439, 33440), (2508, 32520), (2640, 30894), (2710, 30096), (2736, 29810), (2981, 27360), (3040, 26829), (3135, 26016), (3168, 25745), (3252, 25080), (3344, 24390), (3420, 23848), (3762, 21680), (3960, 20596), (4065, 20064), (4180, 19512), (4336, 18810), (4560, 17886), (4878, 16720), (5016, 16260), (5149, 15840), (5280, 15447), (5420, 15048), (5472, 14905), (5962, 13680), (6270, 13008), (6504, 12540), (6688, 12195), (6840, 11924), (7524, 10840), (7920, 10298), (8130, 10032), (8360, 9756), (8672, 9405), (8943, 9120)]