123291520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 326954880

約数和(自身を除く): 203663360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 211, 220, 320, 332, 352, 415, 422, 440, 640, 664, 704, 830, 844, 880, 913, 1055, 1328, 1408, 1660, 1688, 1760, 1826, 2110, 2321, 2656, 3320, 3376, 3520, 3652, 4220, 4565, 4642, 5312, 6640, 6752, 7040, 7304, 8440, 9130, 9284, 10624, 11605, 13280, 13504, 14608, 16880, 17513, 18260, 18568, 23210, 26560, 27008, 29216, 33760, 35026, 36520, 37136, 46420, 53120, 58432, 67520, 70052, 73040, 74272, 87565, 92840, 116864, 135040, 140104, 146080, 148544, 175130, 185680, 192643, 280208, 292160, 297088, 350260, 371360, 385286, 560416, 584320, 700520, 742720, 770572, 963215, 1120832, 1401040, 1485440, 1541144, 1926430, 2241664, 2802080, 3082288, 3852860, 5604160, 6164576, 7705720, 11208320, 12329152, 15411440, 24658304, 30822880, 61645760, 123291520]

約数ペア:

[(1, 123291520), (2, 61645760), (4, 30822880), (5, 24658304), (8, 15411440), (10, 12329152), (11, 11208320), (16, 7705720), (20, 6164576), (22, 5604160), (32, 3852860), (40, 3082288), (44, 2802080), (55, 2241664), (64, 1926430), (80, 1541144), (83, 1485440), (88, 1401040), (110, 1120832), (128, 963215), (160, 770572), (166, 742720), (176, 700520), (211, 584320), (220, 560416), (320, 385286), (332, 371360), (352, 350260), (415, 297088), (422, 292160), (440, 280208), (640, 192643), (664, 185680), (704, 175130), (830, 148544), (844, 146080), (880, 140104), (913, 135040), (1055, 116864), (1328, 92840), (1408, 87565), (1660, 74272), (1688, 73040), (1760, 70052), (1826, 67520), (2110, 58432), (2321, 53120), (2656, 46420), (3320, 37136), (3376, 36520), (3520, 35026), (3652, 33760), (4220, 29216), (4565, 27008), (4642, 26560), (5312, 23210), (6640, 18568), (6752, 18260), (7040, 17513), (7304, 16880), (8440, 14608), (9130, 13504), (9284, 13280), (10624, 11605)]