209581320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3695

約数の個数: 128

約数和(自身を含む): 695600640

約数和(自身を除く): 486019320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3631, 3848, 4440, 4810, 5772, 7215, 7262, 9620, 10893, 11544, 14430, 14524, 18155, 19240, 21786, 28860, 29048, 36310, 43572, 47203, 54465, 57720, 72620, 87144, 94406, 108930, 134347, 141609, 145240, 188812, 217860, 236015, 268694, 283218, 377624, 403041, 435720, 472030, 537388, 566436, 671735, 708045, 806082, 944060, 1074776, 1132872, 1343470, 1416090, 1612164, 1746511, 1888120, 2015205, 2686940, 2832180, 3224328, 3493022, 4030410, 5239533, 5373880, 5664360, 6986044, 8060820, 8732555, 10479066, 13972088, 16121640, 17465110, 20958132, 26197665, 34930220, 41916264, 52395330, 69860440, 104790660, 209581320]

約数ペア:

[(1, 209581320), (2, 104790660), (3, 69860440), (4, 52395330), (5, 41916264), (6, 34930220), (8, 26197665), (10, 20958132), (12, 17465110), (13, 16121640), (15, 13972088), (20, 10479066), (24, 8732555), (26, 8060820), (30, 6986044), (37, 5664360), (39, 5373880), (40, 5239533), (52, 4030410), (60, 3493022), (65, 3224328), (74, 2832180), (78, 2686940), (104, 2015205), (111, 1888120), (120, 1746511), (130, 1612164), (148, 1416090), (156, 1343470), (185, 1132872), (195, 1074776), (222, 944060), (260, 806082), (296, 708045), (312, 671735), (370, 566436), (390, 537388), (444, 472030), (481, 435720), (520, 403041), (555, 377624), (740, 283218), (780, 268694), (888, 236015), (962, 217860), (1110, 188812), (1443, 145240), (1480, 141609), (1560, 134347), (1924, 108930), (2220, 94406), (2405, 87144), (2886, 72620), (3631, 57720), (3848, 54465), (4440, 47203), (4810, 43572), (5772, 36310), (7215, 29048), (7262, 28860), (9620, 21786), (10893, 19240), (11544, 18155), (14430, 14524)]