171288640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 84

約数和(自身を含む): 422219628

約数和(自身を除く): 250930988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 557, 620, 961, 992, 1114, 1240, 1922, 1984, 2228, 2480, 2785, 3844, 4456, 4805, 4960, 5570, 7688, 8912, 9610, 9920, 11140, 15376, 17267, 17824, 19220, 22280, 30752, 34534, 35648, 38440, 44560, 61504, 69068, 76880, 86335, 89120, 138136, 153760, 172670, 178240, 276272, 307520, 345340, 535277, 552544, 690680, 1070554, 1105088, 1381360, 2141108, 2676385, 2762720, 4282216, 5352770, 5525440, 8564432, 10705540, 17128864, 21411080, 34257728, 42822160, 85644320, 171288640]

約数ペア:

[(1, 171288640), (2, 85644320), (4, 42822160), (5, 34257728), (8, 21411080), (10, 17128864), (16, 10705540), (20, 8564432), (31, 5525440), (32, 5352770), (40, 4282216), (62, 2762720), (64, 2676385), (80, 2141108), (124, 1381360), (155, 1105088), (160, 1070554), (248, 690680), (310, 552544), (320, 535277), (496, 345340), (557, 307520), (620, 276272), (961, 178240), (992, 172670), (1114, 153760), (1240, 138136), (1922, 89120), (1984, 86335), (2228, 76880), (2480, 69068), (2785, 61504), (3844, 44560), (4456, 38440), (4805, 35648), (4960, 34534), (5570, 30752), (7688, 22280), (8912, 19220), (9610, 17824), (9920, 17267), (11140, 15376)]