8139840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 26456640

約数和(自身を除く): 18316800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 139, 160, 183, 192, 240, 244, 278, 305, 320, 366, 417, 480, 488, 556, 610, 695, 732, 834, 915, 960, 976, 1112, 1220, 1390, 1464, 1668, 1830, 1952, 2085, 2224, 2440, 2780, 2928, 3336, 3660, 3904, 4170, 4448, 4880, 5560, 5856, 6672, 7320, 8340, 8479, 8896, 9760, 11120, 11712, 13344, 14640, 16680, 16958, 19520, 22240, 25437, 26688, 29280, 33360, 33916, 42395, 44480, 50874, 58560, 66720, 67832, 84790, 101748, 127185, 133440, 135664, 169580, 203496, 254370, 271328, 339160, 406992, 508740, 542656, 678320, 813984, 1017480, 1356640, 1627968, 2034960, 2713280, 4069920, 8139840]

約数ペア:

[(1, 8139840), (2, 4069920), (3, 2713280), (4, 2034960), (5, 1627968), (6, 1356640), (8, 1017480), (10, 813984), (12, 678320), (15, 542656), (16, 508740), (20, 406992), (24, 339160), (30, 271328), (32, 254370), (40, 203496), (48, 169580), (60, 135664), (61, 133440), (64, 127185), (80, 101748), (96, 84790), (120, 67832), (122, 66720), (139, 58560), (160, 50874), (183, 44480), (192, 42395), (240, 33916), (244, 33360), (278, 29280), (305, 26688), (320, 25437), (366, 22240), (417, 19520), (480, 16958), (488, 16680), (556, 14640), (610, 13344), (695, 11712), (732, 11120), (834, 9760), (915, 8896), (960, 8479), (976, 8340), (1112, 7320), (1220, 6672), (1390, 5856), (1464, 5560), (1668, 4880), (1830, 4448), (1952, 4170), (2085, 3904), (2224, 3660), (2440, 3336), (2780, 2928)]