129761720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7193}}^1$

素因数の和:7256

約数の個数: 64

約数和(自身を含む): 326319840

約数和(自身を除く): 196558120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 7193, 9020, 14386, 18040, 28772, 35965, 57544, 71930, 79123, 143860, 158246, 287720, 294913, 316492, 395615, 589826, 632984, 791230, 1179652, 1474565, 1582460, 2359304, 2949130, 3164920, 3244043, 5898260, 6488086, 11796520, 12976172, 16220215, 25952344, 32440430, 64880860, 129761720]

約数ペア:

[(1, 129761720), (2, 64880860), (4, 32440430), (5, 25952344), (8, 16220215), (10, 12976172), (11, 11796520), (20, 6488086), (22, 5898260), (40, 3244043), (41, 3164920), (44, 2949130), (55, 2359304), (82, 1582460), (88, 1474565), (110, 1179652), (164, 791230), (205, 632984), (220, 589826), (328, 395615), (410, 316492), (440, 294913), (451, 287720), (820, 158246), (902, 143860), (1640, 79123), (1804, 71930), (2255, 57544), (3608, 35965), (4510, 28772), (7193, 18040), (9020, 14386)]