18027840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 58155840

約数和(自身を除く): 40128000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 160, 178, 192, 211, 240, 267, 320, 356, 422, 445, 480, 534, 633, 712, 844, 890, 960, 1055, 1068, 1266, 1335, 1424, 1688, 1780, 2110, 2136, 2532, 2670, 2848, 3165, 3376, 3560, 4220, 4272, 5064, 5340, 5696, 6330, 6752, 7120, 8440, 8544, 10128, 10680, 12660, 13504, 14240, 16880, 17088, 18779, 20256, 21360, 25320, 28480, 33760, 37558, 40512, 42720, 50640, 56337, 67520, 75116, 85440, 93895, 101280, 112674, 150232, 187790, 202560, 225348, 281685, 300464, 375580, 450696, 563370, 600928, 751160, 901392, 1126740, 1201856, 1502320, 1802784, 2253480, 3004640, 3605568, 4506960, 6009280, 9013920, 18027840]

約数ペア:

[(1, 18027840), (2, 9013920), (3, 6009280), (4, 4506960), (5, 3605568), (6, 3004640), (8, 2253480), (10, 1802784), (12, 1502320), (15, 1201856), (16, 1126740), (20, 901392), (24, 751160), (30, 600928), (32, 563370), (40, 450696), (48, 375580), (60, 300464), (64, 281685), (80, 225348), (89, 202560), (96, 187790), (120, 150232), (160, 112674), (178, 101280), (192, 93895), (211, 85440), (240, 75116), (267, 67520), (320, 56337), (356, 50640), (422, 42720), (445, 40512), (480, 37558), (534, 33760), (633, 28480), (712, 25320), (844, 21360), (890, 20256), (960, 18779), (1055, 17088), (1068, 16880), (1266, 14240), (1335, 13504), (1424, 12660), (1688, 10680), (1780, 10128), (2110, 8544), (2136, 8440), (2532, 7120), (2670, 6752), (2848, 6330), (3165, 5696), (3376, 5340), (3560, 5064), (4220, 4272)]