31701120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 117504000

約数和(自身を除く): 85802880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 79, 80, 88, 95, 96, 110, 114, 120, 128, 132, 152, 158, 160, 165, 176, 190, 192, 209, 220, 228, 237, 240, 264, 285, 304, 316, 320, 330, 352, 380, 384, 395, 418, 440, 456, 474, 480, 528, 570, 608, 627, 632, 640, 660, 704, 760, 790, 836, 869, 880, 912, 948, 960, 1045, 1056, 1140, 1185, 1216, 1254, 1264, 1320, 1408, 1501, 1520, 1580, 1672, 1738, 1760, 1824, 1896, 1920, 2090, 2112, 2280, 2370, 2432, 2508, 2528, 2607, 2640, 3002, 3040, 3135, 3160, 3344, 3476, 3520, 3648, 3792, 4180, 4224, 4345, 4503, 4560, 4740, 5016, 5056, 5214, 5280, 6004, 6080, 6270, 6320, 6688, 6952, 7040, 7296, 7505, 7584, 8360, 8690, 9006, 9120, 9480, 10032, 10112, 10428, 10560, 12008, 12160, 12540, 12640, 13035, 13376, 13904, 15010, 15168, 16511, 16720, 17380, 18012, 18240, 18960, 20064, 20856, 21120, 22515, 24016, 25080, 25280, 26070, 26752, 27808, 30020, 30336, 33022, 33440, 34760, 36024, 36480, 37920, 40128, 41712, 45030, 48032, 49533, 50160, 50560, 52140, 55616, 60040, 66044, 66880, 69520, 72048, 75840, 80256, 82555, 83424, 90060, 96064, 99066, 100320, 104280, 111232, 120080, 132088, 133760, 139040, 144096, 151680, 165110, 166848, 180120, 192128, 198132, 200640, 208560, 240160, 247665, 264176, 278080, 288192, 330220, 333696, 360240, 396264, 401280, 417120, 480320, 495330, 528352, 556160, 576384, 660440, 720480, 792528, 834240, 960640, 990660, 1056704, 1320880, 1440960, 1585056, 1668480, 1981320, 2113408, 2641760, 2881920, 3170112, 3962640, 5283520, 6340224, 7925280, 10567040, 15850560, 31701120]

約数ペア:

[(1, 31701120), (2, 15850560), (3, 10567040), (4, 7925280), (5, 6340224), (6, 5283520), (8, 3962640), (10, 3170112), (11, 2881920), (12, 2641760), (15, 2113408), (16, 1981320), (19, 1668480), (20, 1585056), (22, 1440960), (24, 1320880), (30, 1056704), (32, 990660), (33, 960640), (38, 834240), (40, 792528), (44, 720480), (48, 660440), (55, 576384), (57, 556160), (60, 528352), (64, 495330), (66, 480320), (76, 417120), (79, 401280), (80, 396264), (88, 360240), (95, 333696), (96, 330220), (110, 288192), (114, 278080), (120, 264176), (128, 247665), (132, 240160), (152, 208560), (158, 200640), (160, 198132), (165, 192128), (176, 180120), (190, 166848), (192, 165110), (209, 151680), (220, 144096), (228, 139040), (237, 133760), (240, 132088), (264, 120080), (285, 111232), (304, 104280), (316, 100320), (320, 99066), (330, 96064), (352, 90060), (380, 83424), (384, 82555), (395, 80256), (418, 75840), (440, 72048), (456, 69520), (474, 66880), (480, 66044), (528, 60040), (570, 55616), (608, 52140), (627, 50560), (632, 50160), (640, 49533), (660, 48032), (704, 45030), (760, 41712), (790, 40128), (836, 37920), (869, 36480), (880, 36024), (912, 34760), (948, 33440), (960, 33022), (1045, 30336), (1056, 30020), (1140, 27808), (1185, 26752), (1216, 26070), (1254, 25280), (1264, 25080), (1320, 24016), (1408, 22515), (1501, 21120), (1520, 20856), (1580, 20064), (1672, 18960), (1738, 18240), (1760, 18012), (1824, 17380), (1896, 16720), (1920, 16511), (2090, 15168), (2112, 15010), (2280, 13904), (2370, 13376), (2432, 13035), (2508, 12640), (2528, 12540), (2607, 12160), (2640, 12008), (3002, 10560), (3040, 10428), (3135, 10112), (3160, 10032), (3344, 9480), (3476, 9120), (3520, 9006), (3648, 8690), (3792, 8360), (4180, 7584), (4224, 7505), (4345, 7296), (4503, 7040), (4560, 6952), (4740, 6688), (5016, 6320), (5056, 6270), (5214, 6080), (5280, 6004)]