19111680

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 288

約数和(自身を含む): 78489600

約数和(自身を除く): 59377920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 79, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 158, 160, 168, 180, 189, 192, 210, 216, 224, 237, 240, 252, 256, 270, 280, 288, 315, 316, 320, 336, 360, 378, 384, 395, 420, 432, 448, 474, 480, 504, 540, 553, 560, 576, 630, 632, 640, 672, 711, 720, 756, 768, 790, 840, 864, 896, 945, 948, 960, 1008, 1080, 1106, 1120, 1152, 1185, 1260, 1264, 1280, 1344, 1422, 1440, 1512, 1580, 1659, 1680, 1728, 1792, 1890, 1896, 1920, 2016, 2133, 2160, 2212, 2240, 2304, 2370, 2520, 2528, 2688, 2765, 2844, 2880, 3024, 3160, 3318, 3360, 3456, 3555, 3780, 3792, 3840, 4032, 4266, 4320, 4424, 4480, 4740, 4977, 5040, 5056, 5376, 5530, 5688, 5760, 6048, 6320, 6636, 6720, 6912, 7110, 7560, 7584, 8064, 8295, 8532, 8640, 8848, 8960, 9480, 9954, 10080, 10112, 10665, 11060, 11376, 11520, 12096, 12640, 13272, 13440, 14220, 14931, 15120, 15168, 16128, 16590, 17064, 17280, 17696, 18960, 19908, 20160, 20224, 21330, 22120, 22752, 24192, 24885, 25280, 26544, 26880, 28440, 29862, 30240, 30336, 33180, 34128, 34560, 35392, 37920, 39816, 40320, 42660, 44240, 45504, 48384, 49770, 50560, 53088, 56880, 59724, 60480, 60672, 66360, 68256, 70784, 74655, 75840, 79632, 80640, 85320, 88480, 91008, 99540, 101120, 106176, 113760, 119448, 120960, 132720, 136512, 141568, 149310, 151680, 159264, 170640, 176960, 182016, 199080, 212352, 227520, 238896, 241920, 265440, 273024, 298620, 303360, 318528, 341280, 353920, 398160, 424704, 455040, 477792, 530880, 546048, 597240, 637056, 682560, 707840, 796320, 910080, 955584, 1061760, 1194480, 1274112, 1365120, 1592640, 1911168, 2123520, 2388960, 2730240, 3185280, 3822336, 4777920, 6370560, 9555840, 19111680]

約数ペア:

[(1, 19111680), (2, 9555840), (3, 6370560), (4, 4777920), (5, 3822336), (6, 3185280), (7, 2730240), (8, 2388960), (9, 2123520), (10, 1911168), (12, 1592640), (14, 1365120), (15, 1274112), (16, 1194480), (18, 1061760), (20, 955584), (21, 910080), (24, 796320), (27, 707840), (28, 682560), (30, 637056), (32, 597240), (35, 546048), (36, 530880), (40, 477792), (42, 455040), (45, 424704), (48, 398160), (54, 353920), (56, 341280), (60, 318528), (63, 303360), (64, 298620), (70, 273024), (72, 265440), (79, 241920), (80, 238896), (84, 227520), (90, 212352), (96, 199080), (105, 182016), (108, 176960), (112, 170640), (120, 159264), (126, 151680), (128, 149310), (135, 141568), (140, 136512), (144, 132720), (158, 120960), (160, 119448), (168, 113760), (180, 106176), (189, 101120), (192, 99540), (210, 91008), (216, 88480), (224, 85320), (237, 80640), (240, 79632), (252, 75840), (256, 74655), (270, 70784), (280, 68256), (288, 66360), (315, 60672), (316, 60480), (320, 59724), (336, 56880), (360, 53088), (378, 50560), (384, 49770), (395, 48384), (420, 45504), (432, 44240), (448, 42660), (474, 40320), (480, 39816), (504, 37920), (540, 35392), (553, 34560), (560, 34128), (576, 33180), (630, 30336), (632, 30240), (640, 29862), (672, 28440), (711, 26880), (720, 26544), (756, 25280), (768, 24885), (790, 24192), (840, 22752), (864, 22120), (896, 21330), (945, 20224), (948, 20160), (960, 19908), (1008, 18960), (1080, 17696), (1106, 17280), (1120, 17064), (1152, 16590), (1185, 16128), (1260, 15168), (1264, 15120), (1280, 14931), (1344, 14220), (1422, 13440), (1440, 13272), (1512, 12640), (1580, 12096), (1659, 11520), (1680, 11376), (1728, 11060), (1792, 10665), (1890, 10112), (1896, 10080), (1920, 9954), (2016, 9480), (2133, 8960), (2160, 8848), (2212, 8640), (2240, 8532), (2304, 8295), (2370, 8064), (2520, 7584), (2528, 7560), (2688, 7110), (2765, 6912), (2844, 6720), (2880, 6636), (3024, 6320), (3160, 6048), (3318, 5760), (3360, 5688), (3456, 5530), (3555, 5376), (3780, 5056), (3792, 5040), (3840, 4977), (4032, 4740), (4266, 4480), (4320, 4424)]