7612880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 19873728

約数和(自身を除く): 12260848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 211, 220, 328, 410, 422, 440, 451, 656, 820, 844, 880, 902, 1055, 1640, 1688, 1804, 2110, 2255, 2321, 3280, 3376, 3608, 4220, 4510, 4642, 7216, 8440, 8651, 9020, 9284, 11605, 16880, 17302, 18040, 18568, 23210, 34604, 36080, 37136, 43255, 46420, 69208, 86510, 92840, 95161, 138416, 173020, 185680, 190322, 346040, 380644, 475805, 692080, 761288, 951610, 1522576, 1903220, 3806440, 7612880]

約数ペア:

[(1, 7612880), (2, 3806440), (4, 1903220), (5, 1522576), (8, 951610), (10, 761288), (11, 692080), (16, 475805), (20, 380644), (22, 346040), (40, 190322), (41, 185680), (44, 173020), (55, 138416), (80, 95161), (82, 92840), (88, 86510), (110, 69208), (164, 46420), (176, 43255), (205, 37136), (211, 36080), (220, 34604), (328, 23210), (410, 18568), (422, 18040), (440, 17302), (451, 16880), (656, 11605), (820, 9284), (844, 9020), (880, 8651), (902, 8440), (1055, 7216), (1640, 4642), (1688, 4510), (1804, 4220), (2110, 3608), (2255, 3376), (2321, 3280)]