1271253720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22397}}^1$

素因数の和:22465

約数の個数: 128

約数和(自身を含む): 4257411840

約数和(自身を除く): 2986158120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4730, 5160, 5676, 7095, 9460, 11352, 14190, 18920, 22397, 28380, 44794, 56760, 67191, 89588, 111985, 134382, 179176, 223970, 246367, 268764, 335955, 447940, 492734, 537528, 671910, 739101, 895880, 963071, 985468, 1231835, 1343820, 1478202, 1926142, 1970936, 2463670, 2687640, 2889213, 2956404, 3695505, 3852284, 4815355, 4927340, 5778426, 5912808, 7391010, 7704568, 9630710, 9854680, 10593781, 11556852, 14446065, 14782020, 19261420, 21187562, 23113704, 28892130, 29564040, 31781343, 38522840, 42375124, 52968905, 57784260, 63562686, 84750248, 105937810, 115568520, 127125372, 158906715, 211875620, 254250744, 317813430, 423751240, 635626860, 1271253720]

約数ペア:

[(1, 1271253720), (2, 635626860), (3, 423751240), (4, 317813430), (5, 254250744), (6, 211875620), (8, 158906715), (10, 127125372), (11, 115568520), (12, 105937810), (15, 84750248), (20, 63562686), (22, 57784260), (24, 52968905), (30, 42375124), (33, 38522840), (40, 31781343), (43, 29564040), (44, 28892130), (55, 23113704), (60, 21187562), (66, 19261420), (86, 14782020), (88, 14446065), (110, 11556852), (120, 10593781), (129, 9854680), (132, 9630710), (165, 7704568), (172, 7391010), (215, 5912808), (220, 5778426), (258, 4927340), (264, 4815355), (330, 3852284), (344, 3695505), (430, 2956404), (440, 2889213), (473, 2687640), (516, 2463670), (645, 1970936), (660, 1926142), (860, 1478202), (946, 1343820), (1032, 1231835), (1290, 985468), (1320, 963071), (1419, 895880), (1720, 739101), (1892, 671910), (2365, 537528), (2580, 492734), (2838, 447940), (3784, 335955), (4730, 268764), (5160, 246367), (5676, 223970), (7095, 179176), (9460, 134382), (11352, 111985), (14190, 89588), (18920, 67191), (22397, 56760), (28380, 44794)]