121219890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15971}}^1$

素因数の和:16015

約数の個数: 64

約数和(自身を含む): 331195392

約数和(自身を除く): 209975502

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 15971, 31942, 47913, 79855, 95826, 159710, 175681, 239565, 351362, 367333, 479130, 527043, 734666, 878405, 1054086, 1101999, 1756810, 1836665, 2203998, 2635215, 3673330, 4040663, 5270430, 5509995, 8081326, 11019990, 12121989, 20203315, 24243978, 40406630, 60609945, 121219890]

約数ペア:

[(1, 121219890), (2, 60609945), (3, 40406630), (5, 24243978), (6, 20203315), (10, 12121989), (11, 11019990), (15, 8081326), (22, 5509995), (23, 5270430), (30, 4040663), (33, 3673330), (46, 2635215), (55, 2203998), (66, 1836665), (69, 1756810), (110, 1101999), (115, 1054086), (138, 878405), (165, 734666), (230, 527043), (253, 479130), (330, 367333), (345, 351362), (506, 239565), (690, 175681), (759, 159710), (1265, 95826), (1518, 79855), (2530, 47913), (3795, 31942), (7590, 15971)]