281082780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{141961}}^1$

素因数の和:141987

約数の個数: 72

約数和(自身を含む): 930135024

約数和(自身を除く): 649052244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 141961, 283922, 425883, 567844, 709805, 851766, 1277649, 1419610, 1561571, 1703532, 2129415, 2555298, 2839220, 3123142, 4258830, 4684713, 5110596, 6246284, 6388245, 7807855, 8517660, 9369426, 12776490, 14054139, 15615710, 18738852, 23423565, 25552980, 28108278, 31231420, 46847130, 56216556, 70270695, 93694260, 140541390, 281082780]

約数ペア:

[(1, 281082780), (2, 140541390), (3, 93694260), (4, 70270695), (5, 56216556), (6, 46847130), (9, 31231420), (10, 28108278), (11, 25552980), (12, 23423565), (15, 18738852), (18, 15615710), (20, 14054139), (22, 12776490), (30, 9369426), (33, 8517660), (36, 7807855), (44, 6388245), (45, 6246284), (55, 5110596), (60, 4684713), (66, 4258830), (90, 3123142), (99, 2839220), (110, 2555298), (132, 2129415), (165, 1703532), (180, 1561571), (198, 1419610), (220, 1277649), (330, 851766), (396, 709805), (495, 567844), (660, 425883), (990, 283922), (1980, 141961)]