191278260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1755

約数の個数: 120

約数和(自身を含む): 608864256

約数和(自身を除く): 417585996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1663, 1917, 2130, 2556, 3195, 3326, 3834, 4260, 4989, 5751, 6390, 6652, 7668, 8315, 9585, 9978, 11502, 12780, 14967, 16630, 19170, 19956, 23004, 24945, 28755, 29934, 33260, 38340, 44901, 49890, 57510, 59868, 74835, 89802, 99780, 115020, 118073, 134703, 149670, 179604, 224505, 236146, 269406, 299340, 354219, 449010, 472292, 538812, 590365, 673515, 708438, 898020, 1062657, 1180730, 1347030, 1416876, 1771095, 2125314, 2361460, 2694060, 3187971, 3542190, 4250628, 5313285, 6375942, 7084380, 9563913, 10626570, 12751884, 15939855, 19127826, 21253140, 31879710, 38255652, 47819565, 63759420, 95639130, 191278260]

約数ペア:

[(1, 191278260), (2, 95639130), (3, 63759420), (4, 47819565), (5, 38255652), (6, 31879710), (9, 21253140), (10, 19127826), (12, 15939855), (15, 12751884), (18, 10626570), (20, 9563913), (27, 7084380), (30, 6375942), (36, 5313285), (45, 4250628), (54, 3542190), (60, 3187971), (71, 2694060), (81, 2361460), (90, 2125314), (108, 1771095), (135, 1416876), (142, 1347030), (162, 1180730), (180, 1062657), (213, 898020), (270, 708438), (284, 673515), (324, 590365), (355, 538812), (405, 472292), (426, 449010), (540, 354219), (639, 299340), (710, 269406), (810, 236146), (852, 224505), (1065, 179604), (1278, 149670), (1420, 134703), (1620, 118073), (1663, 115020), (1917, 99780), (2130, 89802), (2556, 74835), (3195, 59868), (3326, 57510), (3834, 49890), (4260, 44901), (4989, 38340), (5751, 33260), (6390, 29934), (6652, 28755), (7668, 24945), (8315, 23004), (9585, 19956), (9978, 19170), (11502, 16630), (12780, 14967)]