818990080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1681

約数の個数: 88

約数和(自身を含む): 1984967712

約数和(自身を除く): 1165977632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 512, 515, 640, 824, 1024, 1030, 1280, 1553, 1648, 2060, 2560, 3106, 3296, 4120, 5120, 6212, 6592, 7765, 8240, 12424, 13184, 15530, 16480, 24848, 26368, 31060, 32960, 49696, 52736, 62120, 65920, 99392, 105472, 124240, 131840, 159959, 198784, 248480, 263680, 319918, 397568, 496960, 527360, 639836, 795136, 799795, 993920, 1279672, 1590272, 1599590, 1987840, 2559344, 3199180, 3975680, 5118688, 6398360, 7951360, 10237376, 12796720, 20474752, 25593440, 40949504, 51186880, 81899008, 102373760, 163798016, 204747520, 409495040, 818990080]

約数ペア:

[(1, 818990080), (2, 409495040), (4, 204747520), (5, 163798016), (8, 102373760), (10, 81899008), (16, 51186880), (20, 40949504), (32, 25593440), (40, 20474752), (64, 12796720), (80, 10237376), (103, 7951360), (128, 6398360), (160, 5118688), (206, 3975680), (256, 3199180), (320, 2559344), (412, 1987840), (512, 1599590), (515, 1590272), (640, 1279672), (824, 993920), (1024, 799795), (1030, 795136), (1280, 639836), (1553, 527360), (1648, 496960), (2060, 397568), (2560, 319918), (3106, 263680), (3296, 248480), (4120, 198784), (5120, 159959), (6212, 131840), (6592, 124240), (7765, 105472), (8240, 99392), (12424, 65920), (13184, 62120), (15530, 52736), (16480, 49696), (24848, 32960), (26368, 31060)]