31739040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 240

約数和(自身を含む): 117089280

約数和(自身を除く): 85350240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 79, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 158, 160, 162, 180, 186, 216, 237, 240, 248, 270, 279, 288, 310, 316, 324, 360, 372, 395, 405, 432, 465, 474, 480, 496, 540, 558, 620, 632, 648, 711, 720, 744, 790, 810, 837, 864, 930, 948, 992, 1080, 1116, 1185, 1240, 1264, 1296, 1395, 1422, 1440, 1488, 1580, 1620, 1674, 1860, 1896, 2133, 2160, 2232, 2370, 2449, 2480, 2511, 2528, 2592, 2790, 2844, 2976, 3160, 3240, 3348, 3555, 3720, 3792, 4185, 4266, 4320, 4464, 4740, 4898, 4960, 5022, 5580, 5688, 6320, 6399, 6480, 6696, 7110, 7347, 7440, 7584, 8370, 8532, 8928, 9480, 9796, 10044, 10665, 11160, 11376, 12245, 12555, 12640, 12798, 12960, 13392, 14220, 14694, 14880, 16740, 17064, 18960, 19592, 20088, 21330, 22041, 22320, 22752, 24490, 25110, 25596, 26784, 28440, 29388, 31995, 33480, 34128, 36735, 37920, 39184, 40176, 42660, 44082, 44640, 48980, 50220, 51192, 56880, 58776, 63990, 66123, 66960, 68256, 73470, 78368, 80352, 85320, 88164, 97960, 100440, 102384, 110205, 113760, 117552, 127980, 132246, 133920, 146940, 170640, 176328, 195920, 198369, 200880, 204768, 220410, 235104, 255960, 264492, 293880, 330615, 341280, 352656, 391840, 396738, 401760, 440820, 511920, 528984, 587760, 661230, 705312, 793476, 881640, 991845, 1023840, 1057968, 1175520, 1322460, 1586952, 1763280, 1983690, 2115936, 2644920, 3173904, 3526560, 3967380, 5289840, 6347808, 7934760, 10579680, 15869520, 31739040]

約数ペア:

[(1, 31739040), (2, 15869520), (3, 10579680), (4, 7934760), (5, 6347808), (6, 5289840), (8, 3967380), (9, 3526560), (10, 3173904), (12, 2644920), (15, 2115936), (16, 1983690), (18, 1763280), (20, 1586952), (24, 1322460), (27, 1175520), (30, 1057968), (31, 1023840), (32, 991845), (36, 881640), (40, 793476), (45, 705312), (48, 661230), (54, 587760), (60, 528984), (62, 511920), (72, 440820), (79, 401760), (80, 396738), (81, 391840), (90, 352656), (93, 341280), (96, 330615), (108, 293880), (120, 264492), (124, 255960), (135, 235104), (144, 220410), (155, 204768), (158, 200880), (160, 198369), (162, 195920), (180, 176328), (186, 170640), (216, 146940), (237, 133920), (240, 132246), (248, 127980), (270, 117552), (279, 113760), (288, 110205), (310, 102384), (316, 100440), (324, 97960), (360, 88164), (372, 85320), (395, 80352), (405, 78368), (432, 73470), (465, 68256), (474, 66960), (480, 66123), (496, 63990), (540, 58776), (558, 56880), (620, 51192), (632, 50220), (648, 48980), (711, 44640), (720, 44082), (744, 42660), (790, 40176), (810, 39184), (837, 37920), (864, 36735), (930, 34128), (948, 33480), (992, 31995), (1080, 29388), (1116, 28440), (1185, 26784), (1240, 25596), (1264, 25110), (1296, 24490), (1395, 22752), (1422, 22320), (1440, 22041), (1488, 21330), (1580, 20088), (1620, 19592), (1674, 18960), (1860, 17064), (1896, 16740), (2133, 14880), (2160, 14694), (2232, 14220), (2370, 13392), (2449, 12960), (2480, 12798), (2511, 12640), (2528, 12555), (2592, 12245), (2790, 11376), (2844, 11160), (2976, 10665), (3160, 10044), (3240, 9796), (3348, 9480), (3555, 8928), (3720, 8532), (3792, 8370), (4185, 7584), (4266, 7440), (4320, 7347), (4464, 7110), (4740, 6696), (4898, 6480), (4960, 6399), (5022, 6320), (5580, 5688)]