64845440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 173024640

約数和(自身を除く): 108179200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 151, 160, 176, 220, 244, 302, 305, 320, 352, 440, 488, 604, 610, 640, 671, 704, 755, 880, 976, 1208, 1220, 1342, 1408, 1510, 1661, 1760, 1952, 2416, 2440, 2684, 3020, 3322, 3355, 3520, 3904, 4832, 4880, 5368, 6040, 6644, 6710, 7040, 7808, 8305, 9211, 9664, 9760, 10736, 12080, 13288, 13420, 16610, 18422, 19328, 19520, 21472, 24160, 26576, 26840, 33220, 36844, 39040, 42944, 46055, 48320, 53152, 53680, 66440, 73688, 85888, 92110, 96640, 101321, 106304, 107360, 132880, 147376, 184220, 202642, 212608, 214720, 265760, 294752, 368440, 405284, 429440, 506605, 531520, 589504, 736880, 810568, 1013210, 1063040, 1179008, 1473760, 1621136, 2026420, 2947520, 3242272, 4052840, 5895040, 6484544, 8105680, 12969088, 16211360, 32422720, 64845440]

約数ペア:

[(1, 64845440), (2, 32422720), (4, 16211360), (5, 12969088), (8, 8105680), (10, 6484544), (11, 5895040), (16, 4052840), (20, 3242272), (22, 2947520), (32, 2026420), (40, 1621136), (44, 1473760), (55, 1179008), (61, 1063040), (64, 1013210), (80, 810568), (88, 736880), (110, 589504), (122, 531520), (128, 506605), (151, 429440), (160, 405284), (176, 368440), (220, 294752), (244, 265760), (302, 214720), (305, 212608), (320, 202642), (352, 184220), (440, 147376), (488, 132880), (604, 107360), (610, 106304), (640, 101321), (671, 96640), (704, 92110), (755, 85888), (880, 73688), (976, 66440), (1208, 53680), (1220, 53152), (1342, 48320), (1408, 46055), (1510, 42944), (1661, 39040), (1760, 36844), (1952, 33220), (2416, 26840), (2440, 26576), (2684, 24160), (3020, 21472), (3322, 19520), (3355, 19328), (3520, 18422), (3904, 16610), (4832, 13420), (4880, 13288), (5368, 12080), (6040, 10736), (6644, 9760), (6710, 9664), (7040, 9211), (7808, 8305)]