8222720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 21818160

約数和(自身を除く): 13595440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 128, 146, 160, 176, 220, 256, 292, 320, 352, 365, 440, 512, 584, 640, 704, 730, 803, 880, 1024, 1168, 1280, 1408, 1460, 1606, 1760, 2048, 2336, 2560, 2816, 2920, 3212, 3520, 4015, 4672, 5120, 5632, 5840, 6424, 7040, 8030, 9344, 10240, 11264, 11680, 12848, 14080, 16060, 18688, 22528, 23360, 25696, 28160, 32120, 37376, 46720, 51392, 56320, 64240, 74752, 93440, 102784, 112640, 128480, 149504, 186880, 205568, 256960, 373760, 411136, 513920, 747520, 822272, 1027840, 1644544, 2055680, 4111360, 8222720]

約数ペア:

[(1, 8222720), (2, 4111360), (4, 2055680), (5, 1644544), (8, 1027840), (10, 822272), (11, 747520), (16, 513920), (20, 411136), (22, 373760), (32, 256960), (40, 205568), (44, 186880), (55, 149504), (64, 128480), (73, 112640), (80, 102784), (88, 93440), (110, 74752), (128, 64240), (146, 56320), (160, 51392), (176, 46720), (220, 37376), (256, 32120), (292, 28160), (320, 25696), (352, 23360), (365, 22528), (440, 18688), (512, 16060), (584, 14080), (640, 12848), (704, 11680), (730, 11264), (803, 10240), (880, 9344), (1024, 8030), (1168, 7040), (1280, 6424), (1408, 5840), (1460, 5632), (1606, 5120), (1760, 4672), (2048, 4015), (2336, 3520), (2560, 3212), (2816, 2920)]