90254080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1439}}^1$

素因数の和:1474

約数の個数: 108

約数和(自身を含む): 251657280

約数和(自身を除く): 161403200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1439, 1568, 1792, 1960, 2240, 2878, 3136, 3920, 4480, 5756, 6272, 7195, 7840, 8960, 10073, 11512, 12544, 14390, 15680, 20146, 23024, 28780, 31360, 40292, 46048, 50365, 57560, 62720, 70511, 80584, 92096, 100730, 115120, 141022, 161168, 184192, 201460, 230240, 282044, 322336, 352555, 368384, 402920, 460480, 564088, 644672, 705110, 805840, 920960, 1128176, 1289344, 1410220, 1611680, 1841920, 2256352, 2578688, 2820440, 3223360, 4512704, 5640880, 6446720, 9025408, 11281760, 12893440, 18050816, 22563520, 45127040, 90254080]

約数ペア:

[(1, 90254080), (2, 45127040), (4, 22563520), (5, 18050816), (7, 12893440), (8, 11281760), (10, 9025408), (14, 6446720), (16, 5640880), (20, 4512704), (28, 3223360), (32, 2820440), (35, 2578688), (40, 2256352), (49, 1841920), (56, 1611680), (64, 1410220), (70, 1289344), (80, 1128176), (98, 920960), (112, 805840), (128, 705110), (140, 644672), (160, 564088), (196, 460480), (224, 402920), (245, 368384), (256, 352555), (280, 322336), (320, 282044), (392, 230240), (448, 201460), (490, 184192), (560, 161168), (640, 141022), (784, 115120), (896, 100730), (980, 92096), (1120, 80584), (1280, 70511), (1439, 62720), (1568, 57560), (1792, 50365), (1960, 46048), (2240, 40292), (2878, 31360), (3136, 28780), (3920, 23024), (4480, 20146), (5756, 15680), (6272, 14390), (7195, 12544), (7840, 11512), (8960, 10073)]