154324720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 394269408

約数和(自身を除く): 239944688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 628, 785, 880, 1117, 1256, 1570, 1727, 2234, 2512, 3140, 3454, 4468, 5585, 6280, 6908, 8635, 8936, 11170, 12287, 12560, 13816, 17270, 17872, 22340, 24574, 27632, 34540, 44680, 49148, 61435, 69080, 89360, 98296, 122870, 138160, 175369, 196592, 245740, 350738, 491480, 701476, 876845, 982960, 1402952, 1753690, 1929059, 2805904, 3507380, 3858118, 7014760, 7716236, 9645295, 14029520, 15432472, 19290590, 30864944, 38581180, 77162360, 154324720]

約数ペア:

[(1, 154324720), (2, 77162360), (4, 38581180), (5, 30864944), (8, 19290590), (10, 15432472), (11, 14029520), (16, 9645295), (20, 7716236), (22, 7014760), (40, 3858118), (44, 3507380), (55, 2805904), (80, 1929059), (88, 1753690), (110, 1402952), (157, 982960), (176, 876845), (220, 701476), (314, 491480), (440, 350738), (628, 245740), (785, 196592), (880, 175369), (1117, 138160), (1256, 122870), (1570, 98296), (1727, 89360), (2234, 69080), (2512, 61435), (3140, 49148), (3454, 44680), (4468, 34540), (5585, 27632), (6280, 24574), (6908, 22340), (8635, 17872), (8936, 17270), (11170, 13816), (12287, 12560)]