156420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 524160

約数和(自身を除く): 367740

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, 79, 90, 99, 110, 132, 158, 165, 180, 198, 220, 237, 316, 330, 395, 396, 474, 495, 660, 711, 790, 869, 948, 990, 1185, 1422, 1580, 1738, 1980, 2370, 2607, 2844, 3476, 3555, 4345, 4740, 5214, 7110, 7821, 8690, 10428, 13035, 14220, 15642, 17380, 26070, 31284, 39105, 52140, 78210, 156420]

約数ペア:

[(1, 156420), (2, 78210), (3, 52140), (4, 39105), (5, 31284), (6, 26070), (9, 17380), (10, 15642), (11, 14220), (12, 13035), (15, 10428), (18, 8690), (20, 7821), (22, 7110), (30, 5214), (33, 4740), (36, 4345), (44, 3555), (45, 3476), (55, 2844), (60, 2607), (66, 2370), (79, 1980), (90, 1738), (99, 1580), (110, 1422), (132, 1185), (158, 990), (165, 948), (180, 869), (198, 790), (220, 711), (237, 660), (316, 495), (330, 474), (395, 396)]