31285320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 103731840

約数和(自身を除く): 72446520

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, 110, 120, 132, 137, 165, 173, 220, 264, 274, 330, 346, 411, 440, 519, 548, 660, 685, 692, 822, 865, 1038, 1096, 1320, 1370, 1384, 1507, 1644, 1730, 1903, 2055, 2076, 2595, 2740, 3014, 3288, 3460, 3806, 4110, 4152, 4521, 5190, 5480, 5709, 6028, 6920, 7535, 7612, 8220, 9042, 9515, 10380, 11418, 12056, 15070, 15224, 16440, 18084, 19030, 20760, 22605, 22836, 23701, 28545, 30140, 36168, 38060, 45210, 45672, 47402, 57090, 60280, 71103, 76120, 90420, 94804, 114180, 118505, 142206, 180840, 189608, 228360, 237010, 260711, 284412, 355515, 474020, 521422, 568824, 711030, 782133, 948040, 1042844, 1303555, 1422060, 1564266, 2085688, 2607110, 2844120, 3128532, 3910665, 5214220, 6257064, 7821330, 10428440, 15642660, 31285320]

約数ペア:

[(1, 31285320), (2, 15642660), (3, 10428440), (4, 7821330), (5, 6257064), (6, 5214220), (8, 3910665), (10, 3128532), (11, 2844120), (12, 2607110), (15, 2085688), (20, 1564266), (22, 1422060), (24, 1303555), (30, 1042844), (33, 948040), (40, 782133), (44, 711030), (55, 568824), (60, 521422), (66, 474020), (88, 355515), (110, 284412), (120, 260711), (132, 237010), (137, 228360), (165, 189608), (173, 180840), (220, 142206), (264, 118505), (274, 114180), (330, 94804), (346, 90420), (411, 76120), (440, 71103), (519, 60280), (548, 57090), (660, 47402), (685, 45672), (692, 45210), (822, 38060), (865, 36168), (1038, 30140), (1096, 28545), (1320, 23701), (1370, 22836), (1384, 22605), (1507, 20760), (1644, 19030), (1730, 18084), (1903, 16440), (2055, 15224), (2076, 15070), (2595, 12056), (2740, 11418), (3014, 10380), (3288, 9515), (3460, 9042), (3806, 8220), (4110, 7612), (4152, 7535), (4521, 6920), (5190, 6028), (5480, 5709)]