155858080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 440971776

約数和(自身を除く): 285113696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 160, 217, 224, 248, 268, 280, 310, 335, 434, 469, 496, 536, 560, 620, 670, 868, 938, 992, 1072, 1085, 1120, 1240, 1340, 1736, 1876, 2077, 2144, 2170, 2345, 2480, 2680, 3472, 3752, 4154, 4340, 4489, 4690, 4960, 5360, 6944, 7504, 8308, 8680, 8978, 9380, 10385, 10720, 14539, 15008, 16616, 17360, 17956, 18760, 20770, 22445, 29078, 31423, 33232, 34720, 35912, 37520, 41540, 44890, 58156, 62846, 66464, 71824, 72695, 75040, 83080, 89780, 116312, 125692, 139159, 143648, 145390, 157115, 166160, 179560, 232624, 251384, 278318, 290780, 314230, 332320, 359120, 465248, 502768, 556636, 581560, 628460, 695795, 718240, 974113, 1005536, 1113272, 1163120, 1256920, 1391590, 1948226, 2226544, 2326240, 2513840, 2783180, 3896452, 4453088, 4870565, 5027680, 5566360, 7792904, 9741130, 11132720, 15585808, 19482260, 22265440, 31171616, 38964520, 77929040, 155858080]

約数ペア:

[(1, 155858080), (2, 77929040), (4, 38964520), (5, 31171616), (7, 22265440), (8, 19482260), (10, 15585808), (14, 11132720), (16, 9741130), (20, 7792904), (28, 5566360), (31, 5027680), (32, 4870565), (35, 4453088), (40, 3896452), (56, 2783180), (62, 2513840), (67, 2326240), (70, 2226544), (80, 1948226), (112, 1391590), (124, 1256920), (134, 1163120), (140, 1113272), (155, 1005536), (160, 974113), (217, 718240), (224, 695795), (248, 628460), (268, 581560), (280, 556636), (310, 502768), (335, 465248), (434, 359120), (469, 332320), (496, 314230), (536, 290780), (560, 278318), (620, 251384), (670, 232624), (868, 179560), (938, 166160), (992, 157115), (1072, 145390), (1085, 143648), (1120, 139159), (1240, 125692), (1340, 116312), (1736, 89780), (1876, 83080), (2077, 75040), (2144, 72695), (2170, 71824), (2345, 66464), (2480, 62846), (2680, 58156), (3472, 44890), (3752, 41540), (4154, 37520), (4340, 35912), (4489, 34720), (4690, 33232), (4960, 31423), (5360, 29078), (6944, 22445), (7504, 20770), (8308, 18760), (8680, 17956), (8978, 17360), (9380, 16616), (10385, 15008), (10720, 14539)]