217403520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 697680000

約数和(自身を除く): 480276480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 320, 384, 398, 480, 569, 597, 640, 796, 960, 995, 1138, 1194, 1592, 1707, 1920, 1990, 2276, 2388, 2845, 2985, 3184, 3414, 3980, 4552, 4776, 5690, 5970, 6368, 6828, 7960, 8535, 9104, 9552, 11380, 11940, 12736, 13656, 15920, 17070, 18208, 19104, 22760, 23880, 25472, 27312, 31840, 34140, 36416, 38208, 45520, 47760, 54624, 63680, 68280, 72832, 76416, 91040, 95520, 109248, 113231, 127360, 136560, 182080, 191040, 218496, 226462, 273120, 339693, 364160, 382080, 452924, 546240, 566155, 679386, 905848, 1092480, 1132310, 1358772, 1698465, 1811696, 2264620, 2717544, 3396930, 3623392, 4529240, 5435088, 6793860, 7246784, 9058480, 10870176, 13587720, 14493568, 18116960, 21740352, 27175440, 36233920, 43480704, 54350880, 72467840, 108701760, 217403520]

約数ペア:

[(1, 217403520), (2, 108701760), (3, 72467840), (4, 54350880), (5, 43480704), (6, 36233920), (8, 27175440), (10, 21740352), (12, 18116960), (15, 14493568), (16, 13587720), (20, 10870176), (24, 9058480), (30, 7246784), (32, 6793860), (40, 5435088), (48, 4529240), (60, 3623392), (64, 3396930), (80, 2717544), (96, 2264620), (120, 1811696), (128, 1698465), (160, 1358772), (192, 1132310), (199, 1092480), (240, 905848), (320, 679386), (384, 566155), (398, 546240), (480, 452924), (569, 382080), (597, 364160), (640, 339693), (796, 273120), (960, 226462), (995, 218496), (1138, 191040), (1194, 182080), (1592, 136560), (1707, 127360), (1920, 113231), (1990, 109248), (2276, 95520), (2388, 91040), (2845, 76416), (2985, 72832), (3184, 68280), (3414, 63680), (3980, 54624), (4552, 47760), (4776, 45520), (5690, 38208), (5970, 36416), (6368, 34140), (6828, 31840), (7960, 27312), (8535, 25472), (9104, 23880), (9552, 22760), (11380, 19104), (11940, 18208), (12736, 17070), (13656, 15920)]