261563280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9007}}^1$

素因数の和:9045

約数の個数: 120

約数和(自身を含む): 891359616

約数和(自身を除く): 629796336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5808, 7260, 9007, 9680, 14520, 18014, 27021, 29040, 36028, 45035, 54042, 72056, 90070, 99077, 108084, 135105, 144112, 180140, 198154, 216168, 270210, 297231, 360280, 396308, 432336, 495385, 540420, 594462, 720560, 792616, 990770, 1080840, 1089847, 1188924, 1486155, 1585232, 1981540, 2161680, 2179694, 2377848, 2972310, 3269541, 3963080, 4359388, 4755696, 5449235, 5944620, 6539082, 7926160, 8718776, 10898470, 11889240, 13078164, 16347705, 17437552, 21796940, 23778480, 26156328, 32695410, 43593880, 52312656, 65390820, 87187760, 130781640, 261563280]

約数ペア:

[(1, 261563280), (2, 130781640), (3, 87187760), (4, 65390820), (5, 52312656), (6, 43593880), (8, 32695410), (10, 26156328), (11, 23778480), (12, 21796940), (15, 17437552), (16, 16347705), (20, 13078164), (22, 11889240), (24, 10898470), (30, 8718776), (33, 7926160), (40, 6539082), (44, 5944620), (48, 5449235), (55, 4755696), (60, 4359388), (66, 3963080), (80, 3269541), (88, 2972310), (110, 2377848), (120, 2179694), (121, 2161680), (132, 1981540), (165, 1585232), (176, 1486155), (220, 1188924), (240, 1089847), (242, 1080840), (264, 990770), (330, 792616), (363, 720560), (440, 594462), (484, 540420), (528, 495385), (605, 432336), (660, 396308), (726, 360280), (880, 297231), (968, 270210), (1210, 216168), (1320, 198154), (1452, 180140), (1815, 144112), (1936, 135105), (2420, 108084), (2640, 99077), (2904, 90070), (3630, 72056), (4840, 54042), (5808, 45035), (7260, 36028), (9007, 29040), (9680, 27021), (14520, 18014)]