31280640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{4073}}^1$

素因数の和:4099

約数の個数: 80

約数和(自身を含む): 100024848

約数和(自身を除く): 68744208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 4073, 7680, 8146, 12219, 16292, 20365, 24438, 32584, 40730, 48876, 61095, 65168, 81460, 97752, 122190, 130336, 162920, 195504, 244380, 260672, 325840, 391008, 488760, 521344, 651680, 782016, 977520, 1042688, 1303360, 1564032, 1955040, 2085376, 2606720, 3128064, 3910080, 5213440, 6256128, 7820160, 10426880, 15640320, 31280640]

約数ペア:

[(1, 31280640), (2, 15640320), (3, 10426880), (4, 7820160), (5, 6256128), (6, 5213440), (8, 3910080), (10, 3128064), (12, 2606720), (15, 2085376), (16, 1955040), (20, 1564032), (24, 1303360), (30, 1042688), (32, 977520), (40, 782016), (48, 651680), (60, 521344), (64, 488760), (80, 391008), (96, 325840), (120, 260672), (128, 244380), (160, 195504), (192, 162920), (240, 130336), (256, 122190), (320, 97752), (384, 81460), (480, 65168), (512, 61095), (640, 48876), (768, 40730), (960, 32584), (1280, 24438), (1536, 20365), (1920, 16292), (2560, 12219), (3840, 8146), (4073, 7680)]