131563520

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 349170480

約数和(自身を除く): 217606960

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, 4096, 4672, 5120, 5632, 5840, 6424, 7040, 8030, 8192, 9344, 10240, 11264, 11680, 12848, 14080, 16060, 16384, 18688, 20480, 22528, 23360, 25696, 28160, 32120, 32768, 37376, 40960, 45056, 46720, 51392, 56320, 64240, 74752, 81920, 90112, 93440, 102784, 112640, 128480, 149504, 163840, 180224, 186880, 205568, 225280, 256960, 299008, 360448, 373760, 411136, 450560, 513920, 598016, 747520, 822272, 901120, 1027840, 1196032, 1495040, 1644544, 1802240, 2055680, 2392064, 2990080, 3289088, 4111360, 5980160, 6578176, 8222720, 11960320, 13156352, 16445440, 26312704, 32890880, 65781760, 131563520]

約数ペア:

[(1, 131563520), (2, 65781760), (4, 32890880), (5, 26312704), (8, 16445440), (10, 13156352), (11, 11960320), (16, 8222720), (20, 6578176), (22, 5980160), (32, 4111360), (40, 3289088), (44, 2990080), (55, 2392064), (64, 2055680), (73, 1802240), (80, 1644544), (88, 1495040), (110, 1196032), (128, 1027840), (146, 901120), (160, 822272), (176, 747520), (220, 598016), (256, 513920), (292, 450560), (320, 411136), (352, 373760), (365, 360448), (440, 299008), (512, 256960), (584, 225280), (640, 205568), (704, 186880), (730, 180224), (803, 163840), (880, 149504), (1024, 128480), (1168, 112640), (1280, 102784), (1408, 93440), (1460, 90112), (1606, 81920), (1760, 74752), (2048, 64240), (2336, 56320), (2560, 51392), (2816, 46720), (2920, 45056), (3212, 40960), (3520, 37376), (4015, 32768), (4096, 32120), (4672, 28160), (5120, 25696), (5632, 23360), (5840, 22528), (6424, 20480), (7040, 18688), (8030, 16384), (8192, 16060), (9344, 14080), (10240, 12848), (11264, 11680)]