2179680720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2642

約数の個数: 240

約数和(自身を含む): 7971007680

約数和(自身を除く): 5791326960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 73, 80, 84, 98, 105, 112, 120, 140, 146, 147, 168, 196, 210, 219, 240, 245, 280, 292, 294, 336, 365, 392, 420, 438, 490, 511, 560, 584, 588, 730, 735, 784, 840, 876, 980, 1022, 1095, 1168, 1176, 1460, 1470, 1533, 1680, 1752, 1960, 2044, 2190, 2352, 2539, 2555, 2920, 2940, 3066, 3504, 3577, 3920, 4088, 4380, 5078, 5110, 5840, 5880, 6132, 7154, 7617, 7665, 8176, 8760, 10156, 10220, 10731, 11760, 12264, 12695, 14308, 15234, 15330, 17520, 17773, 17885, 20312, 20440, 21462, 24528, 25390, 28616, 30468, 30660, 35546, 35770, 38085, 40624, 40880, 42924, 50780, 53319, 53655, 57232, 60936, 61320, 71092, 71540, 76170, 85848, 88865, 101560, 106638, 107310, 121872, 122640, 124411, 142184, 143080, 152340, 171696, 177730, 185347, 203120, 213276, 214620, 248822, 266595, 284368, 286160, 304680, 355460, 370694, 373233, 426552, 429240, 497644, 533190, 556041, 609360, 622055, 710920, 741388, 746466, 853104, 858480, 926735, 995288, 1066380, 1112082, 1244110, 1297429, 1421840, 1482776, 1492932, 1853470, 1866165, 1990576, 2132760, 2224164, 2488220, 2594858, 2780205, 2965552, 2985864, 3706940, 3732330, 3892287, 4265520, 4448328, 4976440, 5189716, 5560410, 5971728, 6487145, 7413880, 7464660, 7784574, 8896656, 9082003, 9952880, 10379432, 11120820, 12974290, 14827760, 14929320, 15569148, 18164006, 19461435, 20758864, 22241640, 25948580, 27246009, 29858640, 31138296, 36328012, 38922870, 44483280, 45410015, 51897160, 54492018, 62276592, 72656024, 77845740, 90820030, 103794320, 108984036, 136230045, 145312048, 155691480, 181640060, 217968072, 272460090, 311382960, 363280120, 435936144, 544920180, 726560240, 1089840360, 2179680720]

約数ペア:

[(1, 2179680720), (2, 1089840360), (3, 726560240), (4, 544920180), (5, 435936144), (6, 363280120), (7, 311382960), (8, 272460090), (10, 217968072), (12, 181640060), (14, 155691480), (15, 145312048), (16, 136230045), (20, 108984036), (21, 103794320), (24, 90820030), (28, 77845740), (30, 72656024), (35, 62276592), (40, 54492018), (42, 51897160), (48, 45410015), (49, 44483280), (56, 38922870), (60, 36328012), (70, 31138296), (73, 29858640), (80, 27246009), (84, 25948580), (98, 22241640), (105, 20758864), (112, 19461435), (120, 18164006), (140, 15569148), (146, 14929320), (147, 14827760), (168, 12974290), (196, 11120820), (210, 10379432), (219, 9952880), (240, 9082003), (245, 8896656), (280, 7784574), (292, 7464660), (294, 7413880), (336, 6487145), (365, 5971728), (392, 5560410), (420, 5189716), (438, 4976440), (490, 4448328), (511, 4265520), (560, 3892287), (584, 3732330), (588, 3706940), (730, 2985864), (735, 2965552), (784, 2780205), (840, 2594858), (876, 2488220), (980, 2224164), (1022, 2132760), (1095, 1990576), (1168, 1866165), (1176, 1853470), (1460, 1492932), (1470, 1482776), (1533, 1421840), (1680, 1297429), (1752, 1244110), (1960, 1112082), (2044, 1066380), (2190, 995288), (2352, 926735), (2539, 858480), (2555, 853104), (2920, 746466), (2940, 741388), (3066, 710920), (3504, 622055), (3577, 609360), (3920, 556041), (4088, 533190), (4380, 497644), (5078, 429240), (5110, 426552), (5840, 373233), (5880, 370694), (6132, 355460), (7154, 304680), (7617, 286160), (7665, 284368), (8176, 266595), (8760, 248822), (10156, 214620), (10220, 213276), (10731, 203120), (11760, 185347), (12264, 177730), (12695, 171696), (14308, 152340), (15234, 143080), (15330, 142184), (17520, 124411), (17773, 122640), (17885, 121872), (20312, 107310), (20440, 106638), (21462, 101560), (24528, 88865), (25390, 85848), (28616, 76170), (30468, 71540), (30660, 71092), (35546, 61320), (35770, 60936), (38085, 57232), (40624, 53655), (40880, 53319), (42924, 50780)]