90978360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 300326400

約数和(自身を除く): 209348040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 439, 440, 471, 628, 660, 785, 878, 942, 1256, 1317, 1320, 1570, 1727, 1756, 1884, 2195, 2355, 2634, 3140, 3454, 3512, 3768, 4390, 4710, 4829, 5181, 5268, 6280, 6585, 6908, 8635, 8780, 9420, 9658, 10362, 10536, 13170, 13816, 14487, 17270, 17560, 18840, 19316, 20724, 24145, 25905, 26340, 28974, 34540, 38632, 41448, 48290, 51810, 52680, 57948, 68923, 69080, 72435, 96580, 103620, 115896, 137846, 144870, 193160, 206769, 207240, 275692, 289740, 344615, 413538, 551384, 579480, 689230, 758153, 827076, 1033845, 1378460, 1516306, 1654152, 2067690, 2274459, 2756920, 3032612, 3790765, 4135380, 4548918, 6065224, 7581530, 8270760, 9097836, 11372295, 15163060, 18195672, 22744590, 30326120, 45489180, 90978360]

約数ペア:

[(1, 90978360), (2, 45489180), (3, 30326120), (4, 22744590), (5, 18195672), (6, 15163060), (8, 11372295), (10, 9097836), (11, 8270760), (12, 7581530), (15, 6065224), (20, 4548918), (22, 4135380), (24, 3790765), (30, 3032612), (33, 2756920), (40, 2274459), (44, 2067690), (55, 1654152), (60, 1516306), (66, 1378460), (88, 1033845), (110, 827076), (120, 758153), (132, 689230), (157, 579480), (165, 551384), (220, 413538), (264, 344615), (314, 289740), (330, 275692), (439, 207240), (440, 206769), (471, 193160), (628, 144870), (660, 137846), (785, 115896), (878, 103620), (942, 96580), (1256, 72435), (1317, 69080), (1320, 68923), (1570, 57948), (1727, 52680), (1756, 51810), (1884, 48290), (2195, 41448), (2355, 38632), (2634, 34540), (3140, 28974), (3454, 26340), (3512, 25905), (3768, 24145), (4390, 20724), (4710, 19316), (4829, 18840), (5181, 17560), (5268, 17270), (6280, 14487), (6585, 13816), (6908, 13170), (8635, 10536), (8780, 10362), (9420, 9658)]