257268720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17573}}^1$

素因数の和:17650

約数の個数: 80

約数和(自身を含む): 810653472

約数和(自身を除く): 553384752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 17573, 35146, 52719, 70292, 87865, 105438, 140584, 175730, 210876, 263595, 281168, 351460, 421752, 527190, 702920, 843504, 1054380, 1071953, 1405840, 2108760, 2143906, 3215859, 4217520, 4287812, 5359765, 6431718, 8575624, 10719530, 12863436, 16079295, 17151248, 21439060, 25726872, 32158590, 42878120, 51453744, 64317180, 85756240, 128634360, 257268720]

約数ペア:

[(1, 257268720), (2, 128634360), (3, 85756240), (4, 64317180), (5, 51453744), (6, 42878120), (8, 32158590), (10, 25726872), (12, 21439060), (15, 17151248), (16, 16079295), (20, 12863436), (24, 10719530), (30, 8575624), (40, 6431718), (48, 5359765), (60, 4287812), (61, 4217520), (80, 3215859), (120, 2143906), (122, 2108760), (183, 1405840), (240, 1071953), (244, 1054380), (305, 843504), (366, 702920), (488, 527190), (610, 421752), (732, 351460), (915, 281168), (976, 263595), (1220, 210876), (1464, 175730), (1830, 140584), (2440, 105438), (2928, 87865), (3660, 70292), (4880, 52719), (7320, 35146), (14640, 17573)]