745319680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 2055642624

約数和(自身を除く): 1310322944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 193, 224, 256, 280, 320, 386, 431, 448, 560, 640, 772, 862, 896, 965, 1120, 1280, 1351, 1544, 1724, 1792, 1930, 2155, 2240, 2702, 3017, 3088, 3448, 3860, 4310, 4480, 5404, 6034, 6176, 6755, 6896, 7720, 8620, 8960, 10808, 12068, 12352, 13510, 13792, 15085, 15440, 17240, 21616, 24136, 24704, 27020, 27584, 30170, 30880, 34480, 43232, 48272, 49408, 54040, 55168, 60340, 61760, 68960, 83183, 86464, 96544, 108080, 110336, 120680, 123520, 137920, 166366, 172928, 193088, 216160, 241360, 247040, 275840, 332732, 345856, 386176, 415915, 432320, 482720, 551680, 582281, 665464, 772352, 831830, 864640, 965440, 1164562, 1330928, 1663660, 1729280, 1930880, 2329124, 2661856, 2911405, 3327320, 3861760, 4658248, 5323712, 5822810, 6654640, 9316496, 10647424, 11645620, 13309280, 18632992, 21294848, 23291240, 26618560, 37265984, 46582480, 53237120, 74531968, 93164960, 106474240, 149063936, 186329920, 372659840, 745319680]

約数ペア:

[(1, 745319680), (2, 372659840), (4, 186329920), (5, 149063936), (7, 106474240), (8, 93164960), (10, 74531968), (14, 53237120), (16, 46582480), (20, 37265984), (28, 26618560), (32, 23291240), (35, 21294848), (40, 18632992), (56, 13309280), (64, 11645620), (70, 10647424), (80, 9316496), (112, 6654640), (128, 5822810), (140, 5323712), (160, 4658248), (193, 3861760), (224, 3327320), (256, 2911405), (280, 2661856), (320, 2329124), (386, 1930880), (431, 1729280), (448, 1663660), (560, 1330928), (640, 1164562), (772, 965440), (862, 864640), (896, 831830), (965, 772352), (1120, 665464), (1280, 582281), (1351, 551680), (1544, 482720), (1724, 432320), (1792, 415915), (1930, 386176), (2155, 345856), (2240, 332732), (2702, 275840), (3017, 247040), (3088, 241360), (3448, 216160), (3860, 193088), (4310, 172928), (4480, 166366), (5404, 137920), (6034, 123520), (6176, 120680), (6755, 110336), (6896, 108080), (7720, 96544), (8620, 86464), (8960, 83183), (10808, 68960), (12068, 61760), (12352, 60340), (13510, 55168), (13792, 54040), (15085, 49408), (15440, 48272), (17240, 43232), (21616, 34480), (24136, 30880), (24704, 30170), (27020, 27584)]