1718451440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6719}}^1$

素因数の和:6894

約数の個数: 80

約数和(自身を含む): 4199731200

約数和(自身を除く): 2481279760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 139, 184, 230, 278, 368, 460, 556, 695, 920, 1112, 1390, 1840, 2224, 2780, 3197, 5560, 6394, 6719, 11120, 12788, 13438, 15985, 25576, 26876, 31970, 33595, 51152, 53752, 63940, 67190, 107504, 127880, 134380, 154537, 255760, 268760, 309074, 537520, 618148, 772685, 933941, 1236296, 1545370, 1867882, 2472592, 3090740, 3735764, 4669705, 6181480, 7471528, 9339410, 12362960, 14943056, 18678820, 21480643, 37357640, 42961286, 74715280, 85922572, 107403215, 171845144, 214806430, 343690288, 429612860, 859225720, 1718451440]

約数ペア:

[(1, 1718451440), (2, 859225720), (4, 429612860), (5, 343690288), (8, 214806430), (10, 171845144), (16, 107403215), (20, 85922572), (23, 74715280), (40, 42961286), (46, 37357640), (80, 21480643), (92, 18678820), (115, 14943056), (139, 12362960), (184, 9339410), (230, 7471528), (278, 6181480), (368, 4669705), (460, 3735764), (556, 3090740), (695, 2472592), (920, 1867882), (1112, 1545370), (1390, 1236296), (1840, 933941), (2224, 772685), (2780, 618148), (3197, 537520), (5560, 309074), (6394, 268760), (6719, 255760), (11120, 154537), (12788, 134380), (13438, 127880), (15985, 107504), (25576, 67190), (26876, 63940), (31970, 53752), (33595, 51152)]