89447680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 250185600

約数和(自身を除く): 160737920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 149, 160, 224, 256, 268, 280, 298, 320, 335, 448, 469, 536, 560, 596, 640, 670, 745, 896, 938, 1043, 1072, 1120, 1192, 1280, 1340, 1490, 1792, 1876, 2086, 2144, 2240, 2345, 2384, 2680, 2980, 3752, 4172, 4288, 4480, 4690, 4768, 5215, 5360, 5960, 7504, 8344, 8576, 8960, 9380, 9536, 9983, 10430, 10720, 11920, 15008, 16688, 17152, 18760, 19072, 19966, 20860, 21440, 23840, 30016, 33376, 37520, 38144, 39932, 41720, 42880, 47680, 49915, 60032, 66752, 69881, 75040, 79864, 83440, 85760, 95360, 99830, 120064, 133504, 139762, 150080, 159728, 166880, 190720, 199660, 267008, 279524, 300160, 319456, 333760, 349405, 399320, 559048, 600320, 638912, 667520, 698810, 798640, 1118096, 1277824, 1335040, 1397620, 1597280, 2236192, 2555648, 2795240, 3194560, 4472384, 5590480, 6389120, 8944768, 11180960, 12778240, 17889536, 22361920, 44723840, 89447680]

約数ペア:

[(1, 89447680), (2, 44723840), (4, 22361920), (5, 17889536), (7, 12778240), (8, 11180960), (10, 8944768), (14, 6389120), (16, 5590480), (20, 4472384), (28, 3194560), (32, 2795240), (35, 2555648), (40, 2236192), (56, 1597280), (64, 1397620), (67, 1335040), (70, 1277824), (80, 1118096), (112, 798640), (128, 698810), (134, 667520), (140, 638912), (149, 600320), (160, 559048), (224, 399320), (256, 349405), (268, 333760), (280, 319456), (298, 300160), (320, 279524), (335, 267008), (448, 199660), (469, 190720), (536, 166880), (560, 159728), (596, 150080), (640, 139762), (670, 133504), (745, 120064), (896, 99830), (938, 95360), (1043, 85760), (1072, 83440), (1120, 79864), (1192, 75040), (1280, 69881), (1340, 66752), (1490, 60032), (1792, 49915), (1876, 47680), (2086, 42880), (2144, 41720), (2240, 39932), (2345, 38144), (2384, 37520), (2680, 33376), (2980, 30016), (3752, 23840), (4172, 21440), (4288, 20860), (4480, 19966), (4690, 19072), (4768, 18760), (5215, 17152), (5360, 16688), (5960, 15008), (7504, 11920), (8344, 10720), (8576, 10430), (8960, 9983), (9380, 9536)]