81901872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 120

約数和(自身を含む): 250911024

約数和(自身を除く): 169009152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 67, 72, 78, 104, 117, 134, 144, 156, 201, 208, 234, 268, 312, 402, 468, 536, 603, 624, 653, 804, 871, 936, 1072, 1206, 1306, 1608, 1742, 1872, 1959, 2412, 2612, 2613, 3216, 3484, 3918, 4824, 5224, 5226, 5877, 6968, 7836, 7839, 8489, 9648, 10448, 10452, 11754, 13936, 15672, 15678, 16978, 20904, 23508, 25467, 31344, 31356, 33956, 41808, 43751, 47016, 50934, 62712, 67912, 76401, 87502, 94032, 101868, 125424, 131253, 135824, 152802, 175004, 203736, 262506, 305604, 350008, 393759, 407472, 525012, 568763, 611208, 700016, 787518, 1050024, 1137526, 1222416, 1575036, 1706289, 2100048, 2275052, 3150072, 3412578, 4550104, 5118867, 6300144, 6825156, 9100208, 10237734, 13650312, 20475468, 27300624, 40950936, 81901872]

約数ペア:

[(1, 81901872), (2, 40950936), (3, 27300624), (4, 20475468), (6, 13650312), (8, 10237734), (9, 9100208), (12, 6825156), (13, 6300144), (16, 5118867), (18, 4550104), (24, 3412578), (26, 3150072), (36, 2275052), (39, 2100048), (48, 1706289), (52, 1575036), (67, 1222416), (72, 1137526), (78, 1050024), (104, 787518), (117, 700016), (134, 611208), (144, 568763), (156, 525012), (201, 407472), (208, 393759), (234, 350008), (268, 305604), (312, 262506), (402, 203736), (468, 175004), (536, 152802), (603, 135824), (624, 131253), (653, 125424), (804, 101868), (871, 94032), (936, 87502), (1072, 76401), (1206, 67912), (1306, 62712), (1608, 50934), (1742, 47016), (1872, 43751), (1959, 41808), (2412, 33956), (2612, 31356), (2613, 31344), (3216, 25467), (3484, 23508), (3918, 20904), (4824, 16978), (5224, 15678), (5226, 15672), (5877, 13936), (6968, 11754), (7836, 10452), (7839, 10448), (8489, 9648)]