161815360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 224

約数和(自身を含む): 474024960

約数和(自身を除く): 312209600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 47, 53, 56, 58, 64, 70, 80, 94, 106, 112, 116, 140, 145, 160, 188, 203, 212, 224, 232, 235, 265, 280, 290, 320, 329, 371, 376, 406, 424, 448, 464, 470, 530, 560, 580, 658, 742, 752, 812, 848, 928, 940, 1015, 1060, 1120, 1160, 1316, 1363, 1484, 1504, 1537, 1624, 1645, 1696, 1855, 1856, 1880, 2030, 2120, 2240, 2320, 2491, 2632, 2726, 2968, 3008, 3074, 3248, 3290, 3392, 3710, 3760, 4060, 4240, 4640, 4982, 5264, 5452, 5936, 6148, 6496, 6580, 6815, 7420, 7520, 7685, 8120, 8480, 9280, 9541, 9964, 10528, 10759, 10904, 11872, 12296, 12455, 12992, 13160, 13630, 14840, 15040, 15370, 16240, 16960, 17437, 19082, 19928, 21056, 21518, 21808, 23744, 24592, 24910, 26320, 27260, 29680, 30740, 32480, 34874, 38164, 39856, 43036, 43616, 47705, 49184, 49820, 52640, 53795, 54520, 59360, 61480, 64960, 69748, 72239, 76328, 79712, 86072, 87185, 87232, 95410, 98368, 99640, 105280, 107590, 109040, 118720, 122960, 139496, 144478, 152656, 159424, 172144, 174370, 190820, 199280, 215180, 218080, 245920, 278992, 288956, 305312, 344288, 348740, 361195, 381640, 398560, 430360, 436160, 491840, 505673, 557984, 577912, 610624, 688576, 697480, 722390, 763280, 797120, 860720, 1011346, 1115968, 1155824, 1394960, 1444780, 1526560, 1721440, 2022692, 2311648, 2528365, 2789920, 2889560, 3053120, 3442880, 4045384, 4623296, 5056730, 5579840, 5779120, 8090768, 10113460, 11558240, 16181536, 20226920, 23116480, 32363072, 40453840, 80907680, 161815360]

約数ペア:

[(1, 161815360), (2, 80907680), (4, 40453840), (5, 32363072), (7, 23116480), (8, 20226920), (10, 16181536), (14, 11558240), (16, 10113460), (20, 8090768), (28, 5779120), (29, 5579840), (32, 5056730), (35, 4623296), (40, 4045384), (47, 3442880), (53, 3053120), (56, 2889560), (58, 2789920), (64, 2528365), (70, 2311648), (80, 2022692), (94, 1721440), (106, 1526560), (112, 1444780), (116, 1394960), (140, 1155824), (145, 1115968), (160, 1011346), (188, 860720), (203, 797120), (212, 763280), (224, 722390), (232, 697480), (235, 688576), (265, 610624), (280, 577912), (290, 557984), (320, 505673), (329, 491840), (371, 436160), (376, 430360), (406, 398560), (424, 381640), (448, 361195), (464, 348740), (470, 344288), (530, 305312), (560, 288956), (580, 278992), (658, 245920), (742, 218080), (752, 215180), (812, 199280), (848, 190820), (928, 174370), (940, 172144), (1015, 159424), (1060, 152656), (1120, 144478), (1160, 139496), (1316, 122960), (1363, 118720), (1484, 109040), (1504, 107590), (1537, 105280), (1624, 99640), (1645, 98368), (1696, 95410), (1855, 87232), (1856, 87185), (1880, 86072), (2030, 79712), (2120, 76328), (2240, 72239), (2320, 69748), (2491, 64960), (2632, 61480), (2726, 59360), (2968, 54520), (3008, 53795), (3074, 52640), (3248, 49820), (3290, 49184), (3392, 47705), (3710, 43616), (3760, 43036), (4060, 39856), (4240, 38164), (4640, 34874), (4982, 32480), (5264, 30740), (5452, 29680), (5936, 27260), (6148, 26320), (6496, 24910), (6580, 24592), (6815, 23744), (7420, 21808), (7520, 21518), (7685, 21056), (8120, 19928), (8480, 19082), (9280, 17437), (9541, 16960), (9964, 16240), (10528, 15370), (10759, 15040), (10904, 14840), (11872, 13630), (12296, 13160), (12455, 12992)]