30905760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 102096288

約数和(自身を除く): 71190528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 67, 80, 93, 96, 120, 124, 134, 155, 160, 186, 201, 240, 248, 268, 310, 335, 372, 402, 465, 480, 496, 536, 620, 670, 744, 804, 930, 961, 992, 1005, 1072, 1240, 1340, 1488, 1608, 1860, 1922, 2010, 2077, 2144, 2480, 2680, 2883, 2976, 3216, 3720, 3844, 4020, 4154, 4805, 4960, 5360, 5766, 6231, 6432, 7440, 7688, 8040, 8308, 9610, 10385, 10720, 11532, 12462, 14415, 14880, 15376, 16080, 16616, 19220, 20770, 23064, 24924, 28830, 30752, 31155, 32160, 33232, 38440, 41540, 46128, 49848, 57660, 62310, 64387, 66464, 76880, 83080, 92256, 99696, 115320, 124620, 128774, 153760, 166160, 193161, 199392, 230640, 249240, 257548, 321935, 332320, 386322, 461280, 498480, 515096, 643870, 772644, 965805, 996960, 1030192, 1287740, 1545288, 1931610, 2060384, 2575480, 3090576, 3863220, 5150960, 6181152, 7726440, 10301920, 15452880, 30905760]

約数ペア:

[(1, 30905760), (2, 15452880), (3, 10301920), (4, 7726440), (5, 6181152), (6, 5150960), (8, 3863220), (10, 3090576), (12, 2575480), (15, 2060384), (16, 1931610), (20, 1545288), (24, 1287740), (30, 1030192), (31, 996960), (32, 965805), (40, 772644), (48, 643870), (60, 515096), (62, 498480), (67, 461280), (80, 386322), (93, 332320), (96, 321935), (120, 257548), (124, 249240), (134, 230640), (155, 199392), (160, 193161), (186, 166160), (201, 153760), (240, 128774), (248, 124620), (268, 115320), (310, 99696), (335, 92256), (372, 83080), (402, 76880), (465, 66464), (480, 64387), (496, 62310), (536, 57660), (620, 49848), (670, 46128), (744, 41540), (804, 38440), (930, 33232), (961, 32160), (992, 31155), (1005, 30752), (1072, 28830), (1240, 24924), (1340, 23064), (1488, 20770), (1608, 19220), (1860, 16616), (1922, 16080), (2010, 15376), (2077, 14880), (2144, 14415), (2480, 12462), (2680, 11532), (2883, 10720), (2976, 10385), (3216, 9610), (3720, 8308), (3844, 8040), (4020, 7688), (4154, 7440), (4805, 6432), (4960, 6231), (5360, 5766)]