1549651840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20011}}^1$

素因数の和:20052

約数の個数: 96

約数和(自身を含む): 4072241880

約数和(自身を除く): 2522590040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1408, 1760, 1936, 2420, 3520, 3872, 4840, 7040, 7744, 9680, 15488, 19360, 20011, 38720, 40022, 77440, 80044, 100055, 160088, 200110, 220121, 320176, 400220, 440242, 640352, 800440, 880484, 1100605, 1280704, 1600880, 1760968, 2201210, 2421331, 2561408, 3201760, 3521936, 4402420, 4842662, 6403520, 7043872, 8804840, 9685324, 12106655, 12807040, 14087744, 17609680, 19370648, 24213310, 28175488, 35219360, 38741296, 48426620, 70438720, 77482592, 96853240, 140877440, 154965184, 193706480, 309930368, 387412960, 774825920, 1549651840]

約数ペア:

[(1, 1549651840), (2, 774825920), (4, 387412960), (5, 309930368), (8, 193706480), (10, 154965184), (11, 140877440), (16, 96853240), (20, 77482592), (22, 70438720), (32, 48426620), (40, 38741296), (44, 35219360), (55, 28175488), (64, 24213310), (80, 19370648), (88, 17609680), (110, 14087744), (121, 12807040), (128, 12106655), (160, 9685324), (176, 8804840), (220, 7043872), (242, 6403520), (320, 4842662), (352, 4402420), (440, 3521936), (484, 3201760), (605, 2561408), (640, 2421331), (704, 2201210), (880, 1760968), (968, 1600880), (1210, 1280704), (1408, 1100605), (1760, 880484), (1936, 800440), (2420, 640352), (3520, 440242), (3872, 400220), (4840, 320176), (7040, 220121), (7744, 200110), (9680, 160088), (15488, 100055), (19360, 80044), (20011, 77440), (38720, 40022)]