221708520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55987}}^1$

素因数の和:56015

約数の個数: 96

約数和(自身を含む): 786071520

約数和(自身を除く): 564363000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 55987, 111974, 167961, 223948, 279935, 335922, 447896, 503883, 559870, 615857, 671844, 839805, 1007766, 1119740, 1231714, 1343688, 1679610, 1847571, 2015532, 2239480, 2463428, 2519415, 3079285, 3359220, 3695142, 4031064, 4926856, 5038830, 5542713, 6158570, 6718440, 7390284, 9237855, 10077660, 11085426, 12317140, 14780568, 18475710, 20155320, 22170852, 24634280, 27713565, 36951420, 44341704, 55427130, 73902840, 110854260, 221708520]

約数ペア:

[(1, 221708520), (2, 110854260), (3, 73902840), (4, 55427130), (5, 44341704), (6, 36951420), (8, 27713565), (9, 24634280), (10, 22170852), (11, 20155320), (12, 18475710), (15, 14780568), (18, 12317140), (20, 11085426), (22, 10077660), (24, 9237855), (30, 7390284), (33, 6718440), (36, 6158570), (40, 5542713), (44, 5038830), (45, 4926856), (55, 4031064), (60, 3695142), (66, 3359220), (72, 3079285), (88, 2519415), (90, 2463428), (99, 2239480), (110, 2015532), (120, 1847571), (132, 1679610), (165, 1343688), (180, 1231714), (198, 1119740), (220, 1007766), (264, 839805), (330, 671844), (360, 615857), (396, 559870), (440, 503883), (495, 447896), (660, 335922), (792, 279935), (990, 223948), (1320, 167961), (1980, 111974), (3960, 55987)]