2180478720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{81119}}^1$

素因数の和:81150

約数の個数: 144

約数和(自身を含む): 7958845440

約数和(自身を除く): 5778366720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 81119, 162238, 243357, 324476, 405595, 486714, 567833, 648952, 811190, 973428, 1135666, 1216785, 1297904, 1622380, 1703499, 1946856, 2271332, 2433570, 2595808, 2839165, 3244760, 3406998, 3893712, 4542664, 4867140, 5191616, 5678330, 6489520, 6813996, 7787424, 8517495, 9085328, 9734280, 10383232, 11356660, 12979040, 13627992, 15574848, 17034990, 18170656, 19468560, 20766464, 22713320, 25958080, 27255984, 31149696, 34069980, 36341312, 38937120, 45426640, 51916160, 54511968, 62299392, 68139960, 72682624, 77874240, 90853280, 103832320, 109023936, 136279920, 145365248, 155748480, 181706560, 218047872, 272559840, 311496960, 363413120, 436095744, 545119680, 726826240, 1090239360, 2180478720]

約数ペア:

[(1, 2180478720), (2, 1090239360), (3, 726826240), (4, 545119680), (5, 436095744), (6, 363413120), (7, 311496960), (8, 272559840), (10, 218047872), (12, 181706560), (14, 155748480), (15, 145365248), (16, 136279920), (20, 109023936), (21, 103832320), (24, 90853280), (28, 77874240), (30, 72682624), (32, 68139960), (35, 62299392), (40, 54511968), (42, 51916160), (48, 45426640), (56, 38937120), (60, 36341312), (64, 34069980), (70, 31149696), (80, 27255984), (84, 25958080), (96, 22713320), (105, 20766464), (112, 19468560), (120, 18170656), (128, 17034990), (140, 15574848), (160, 13627992), (168, 12979040), (192, 11356660), (210, 10383232), (224, 9734280), (240, 9085328), (256, 8517495), (280, 7787424), (320, 6813996), (336, 6489520), (384, 5678330), (420, 5191616), (448, 4867140), (480, 4542664), (560, 3893712), (640, 3406998), (672, 3244760), (768, 2839165), (840, 2595808), (896, 2433570), (960, 2271332), (1120, 1946856), (1280, 1703499), (1344, 1622380), (1680, 1297904), (1792, 1216785), (1920, 1135666), (2240, 973428), (2688, 811190), (3360, 648952), (3840, 567833), (4480, 486714), (5376, 405595), (6720, 324476), (8960, 243357), (13440, 162238), (26880, 81119)]