18444360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 61430400

約数和(自身を除く): 42986040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 89, 110, 120, 132, 157, 165, 178, 220, 264, 267, 314, 330, 356, 440, 445, 471, 534, 628, 660, 712, 785, 890, 942, 979, 1068, 1256, 1320, 1335, 1570, 1727, 1780, 1884, 1958, 2136, 2355, 2670, 2937, 3140, 3454, 3560, 3768, 3916, 4710, 4895, 5181, 5340, 5874, 6280, 6908, 7832, 8635, 9420, 9790, 10362, 10680, 11748, 13816, 13973, 14685, 17270, 18840, 19580, 20724, 23496, 25905, 27946, 29370, 34540, 39160, 41448, 41919, 51810, 55892, 58740, 69080, 69865, 83838, 103620, 111784, 117480, 139730, 153703, 167676, 207240, 209595, 279460, 307406, 335352, 419190, 461109, 558920, 614812, 768515, 838380, 922218, 1229624, 1537030, 1676760, 1844436, 2305545, 3074060, 3688872, 4611090, 6148120, 9222180, 18444360]

約数ペア:

[(1, 18444360), (2, 9222180), (3, 6148120), (4, 4611090), (5, 3688872), (6, 3074060), (8, 2305545), (10, 1844436), (11, 1676760), (12, 1537030), (15, 1229624), (20, 922218), (22, 838380), (24, 768515), (30, 614812), (33, 558920), (40, 461109), (44, 419190), (55, 335352), (60, 307406), (66, 279460), (88, 209595), (89, 207240), (110, 167676), (120, 153703), (132, 139730), (157, 117480), (165, 111784), (178, 103620), (220, 83838), (264, 69865), (267, 69080), (314, 58740), (330, 55892), (356, 51810), (440, 41919), (445, 41448), (471, 39160), (534, 34540), (628, 29370), (660, 27946), (712, 25905), (785, 23496), (890, 20724), (942, 19580), (979, 18840), (1068, 17270), (1256, 14685), (1320, 13973), (1335, 13816), (1570, 11748), (1727, 10680), (1780, 10362), (1884, 9790), (1958, 9420), (2136, 8635), (2355, 7832), (2670, 6908), (2937, 6280), (3140, 5874), (3454, 5340), (3560, 5181), (3768, 4895), (3916, 4710)]