81216588

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 208857600

約数和(自身を除く): 127641012

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 73, 87, 92, 116, 138, 139, 146, 174, 219, 276, 278, 292, 348, 417, 438, 556, 667, 834, 876, 1334, 1668, 1679, 2001, 2117, 2668, 3197, 3358, 4002, 4031, 4234, 5037, 6351, 6394, 6716, 8004, 8062, 8468, 9591, 10074, 10147, 12093, 12702, 12788, 16124, 19182, 20148, 20294, 24186, 25404, 30441, 38364, 40588, 48372, 48691, 60882, 92713, 97382, 121764, 146073, 185426, 194764, 233381, 278139, 292146, 294263, 370852, 466762, 556278, 584292, 588526, 700143, 882789, 933524, 1112556, 1177052, 1400286, 1765578, 2800572, 3531156, 6768049, 13536098, 20304147, 27072196, 40608294, 81216588]

約数ペア:

[(1, 81216588), (2, 40608294), (3, 27072196), (4, 20304147), (6, 13536098), (12, 6768049), (23, 3531156), (29, 2800572), (46, 1765578), (58, 1400286), (69, 1177052), (73, 1112556), (87, 933524), (92, 882789), (116, 700143), (138, 588526), (139, 584292), (146, 556278), (174, 466762), (219, 370852), (276, 294263), (278, 292146), (292, 278139), (348, 233381), (417, 194764), (438, 185426), (556, 146073), (667, 121764), (834, 97382), (876, 92713), (1334, 60882), (1668, 48691), (1679, 48372), (2001, 40588), (2117, 38364), (2668, 30441), (3197, 25404), (3358, 24186), (4002, 20294), (4031, 20148), (4234, 19182), (5037, 16124), (6351, 12788), (6394, 12702), (6716, 12093), (8004, 10147), (8062, 10074), (8468, 9591)]