221340840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37643}}^1$

素因数の和:37671

約数の個数: 96

約数和(自身を含む): 772454880

約数和(自身を除く): 551114040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 37643, 75286, 112929, 150572, 188215, 225858, 263501, 301144, 376430, 451716, 527002, 564645, 752860, 790503, 903432, 1054004, 1129290, 1317505, 1505720, 1581006, 1844507, 2108008, 2258580, 2635010, 3162012, 3689014, 3952515, 4517160, 5270020, 5533521, 6324024, 7378028, 7905030, 9222535, 10540040, 11067042, 14756056, 15810060, 18445070, 22134084, 27667605, 31620120, 36890140, 44268168, 55335210, 73780280, 110670420, 221340840]

約数ペア:

[(1, 221340840), (2, 110670420), (3, 73780280), (4, 55335210), (5, 44268168), (6, 36890140), (7, 31620120), (8, 27667605), (10, 22134084), (12, 18445070), (14, 15810060), (15, 14756056), (20, 11067042), (21, 10540040), (24, 9222535), (28, 7905030), (30, 7378028), (35, 6324024), (40, 5533521), (42, 5270020), (49, 4517160), (56, 3952515), (60, 3689014), (70, 3162012), (84, 2635010), (98, 2258580), (105, 2108008), (120, 1844507), (140, 1581006), (147, 1505720), (168, 1317505), (196, 1129290), (210, 1054004), (245, 903432), (280, 790503), (294, 752860), (392, 564645), (420, 527002), (490, 451716), (588, 376430), (735, 301144), (840, 263501), (980, 225858), (1176, 188215), (1470, 150572), (1960, 112929), (2940, 75286), (5880, 37643)]