18910320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 320

約数和(自身を含む): 74995200

約数和(自身を除く): 56084880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 19, 20, 22, 24, 26, 29, 30, 33, 38, 39, 40, 44, 48, 52, 55, 57, 58, 60, 65, 66, 76, 78, 80, 87, 88, 95, 104, 110, 114, 116, 120, 130, 132, 143, 145, 152, 156, 165, 174, 176, 190, 195, 208, 209, 220, 228, 232, 240, 247, 260, 264, 285, 286, 290, 304, 312, 319, 330, 348, 377, 380, 390, 418, 429, 435, 440, 456, 464, 494, 520, 528, 551, 570, 572, 580, 624, 627, 638, 660, 696, 715, 741, 754, 760, 780, 836, 858, 870, 880, 912, 957, 988, 1040, 1045, 1102, 1131, 1140, 1144, 1160, 1235, 1254, 1276, 1320, 1392, 1430, 1482, 1508, 1520, 1560, 1595, 1653, 1672, 1716, 1740, 1885, 1914, 1976, 2090, 2145, 2204, 2262, 2280, 2288, 2320, 2470, 2508, 2552, 2640, 2717, 2755, 2860, 2964, 3016, 3120, 3135, 3190, 3306, 3344, 3432, 3480, 3705, 3770, 3828, 3952, 4147, 4180, 4290, 4408, 4524, 4560, 4785, 4940, 5016, 5104, 5434, 5510, 5655, 5720, 5928, 6032, 6061, 6270, 6380, 6612, 6864, 6960, 7163, 7410, 7540, 7656, 8151, 8265, 8294, 8360, 8580, 8816, 9048, 9570, 9880, 10032, 10868, 11020, 11310, 11440, 11856, 12122, 12441, 12540, 12760, 13224, 13585, 14326, 14820, 15080, 15312, 16302, 16530, 16588, 16720, 17160, 18096, 18183, 19140, 19760, 20735, 21489, 21736, 22040, 22620, 24244, 24882, 25080, 25520, 26448, 27170, 28652, 29640, 30160, 30305, 32604, 33060, 33176, 34320, 35815, 36366, 38280, 40755, 41470, 42978, 43472, 44080, 45240, 48488, 49764, 50160, 54340, 57304, 59280, 60610, 62205, 65208, 66120, 66352, 71630, 72732, 76560, 78793, 81510, 82940, 85956, 90480, 90915, 96976, 99528, 107445, 108680, 114608, 121220, 124410, 130416, 132240, 143260, 145464, 157586, 163020, 165880, 171912, 181830, 199056, 214890, 217360, 236379, 242440, 248820, 286520, 290928, 315172, 326040, 331760, 343824, 363660, 393965, 429780, 472758, 484880, 497640, 573040, 630344, 652080, 727320, 787930, 859560, 945516, 995280, 1181895, 1260688, 1454640, 1575860, 1719120, 1891032, 2363790, 3151720, 3782064, 4727580, 6303440, 9455160, 18910320]

約数ペア:

[(1, 18910320), (2, 9455160), (3, 6303440), (4, 4727580), (5, 3782064), (6, 3151720), (8, 2363790), (10, 1891032), (11, 1719120), (12, 1575860), (13, 1454640), (15, 1260688), (16, 1181895), (19, 995280), (20, 945516), (22, 859560), (24, 787930), (26, 727320), (29, 652080), (30, 630344), (33, 573040), (38, 497640), (39, 484880), (40, 472758), (44, 429780), (48, 393965), (52, 363660), (55, 343824), (57, 331760), (58, 326040), (60, 315172), (65, 290928), (66, 286520), (76, 248820), (78, 242440), (80, 236379), (87, 217360), (88, 214890), (95, 199056), (104, 181830), (110, 171912), (114, 165880), (116, 163020), (120, 157586), (130, 145464), (132, 143260), (143, 132240), (145, 130416), (152, 124410), (156, 121220), (165, 114608), (174, 108680), (176, 107445), (190, 99528), (195, 96976), (208, 90915), (209, 90480), (220, 85956), (228, 82940), (232, 81510), (240, 78793), (247, 76560), (260, 72732), (264, 71630), (285, 66352), (286, 66120), (290, 65208), (304, 62205), (312, 60610), (319, 59280), (330, 57304), (348, 54340), (377, 50160), (380, 49764), (390, 48488), (418, 45240), (429, 44080), (435, 43472), (440, 42978), (456, 41470), (464, 40755), (494, 38280), (520, 36366), (528, 35815), (551, 34320), (570, 33176), (572, 33060), (580, 32604), (624, 30305), (627, 30160), (638, 29640), (660, 28652), (696, 27170), (715, 26448), (741, 25520), (754, 25080), (760, 24882), (780, 24244), (836, 22620), (858, 22040), (870, 21736), (880, 21489), (912, 20735), (957, 19760), (988, 19140), (1040, 18183), (1045, 18096), (1102, 17160), (1131, 16720), (1140, 16588), (1144, 16530), (1160, 16302), (1235, 15312), (1254, 15080), (1276, 14820), (1320, 14326), (1392, 13585), (1430, 13224), (1482, 12760), (1508, 12540), (1520, 12441), (1560, 12122), (1595, 11856), (1653, 11440), (1672, 11310), (1716, 11020), (1740, 10868), (1885, 10032), (1914, 9880), (1976, 9570), (2090, 9048), (2145, 8816), (2204, 8580), (2262, 8360), (2280, 8294), (2288, 8265), (2320, 8151), (2470, 7656), (2508, 7540), (2552, 7410), (2640, 7163), (2717, 6960), (2755, 6864), (2860, 6612), (2964, 6380), (3016, 6270), (3120, 6061), (3135, 6032), (3190, 5928), (3306, 5720), (3344, 5655), (3432, 5510), (3480, 5434), (3705, 5104), (3770, 5016), (3828, 4940), (3952, 4785), (4147, 4560), (4180, 4524), (4290, 4408)]