162721280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3739}}^1$

素因数の和:3779

約数の個数: 80

約数和(自身を含む): 413210160

約数和(自身を除く): 250488880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 3739, 4352, 5440, 7478, 8704, 10880, 14956, 18695, 21760, 29912, 37390, 43520, 59824, 63563, 74780, 119648, 127126, 149560, 239296, 254252, 299120, 317815, 478592, 508504, 598240, 635630, 957184, 1017008, 1196480, 1271260, 1914368, 2034016, 2392960, 2542520, 4068032, 4785920, 5085040, 8136064, 9571840, 10170080, 16272128, 20340160, 32544256, 40680320, 81360640, 162721280]

約数ペア:

[(1, 162721280), (2, 81360640), (4, 40680320), (5, 32544256), (8, 20340160), (10, 16272128), (16, 10170080), (17, 9571840), (20, 8136064), (32, 5085040), (34, 4785920), (40, 4068032), (64, 2542520), (68, 2392960), (80, 2034016), (85, 1914368), (128, 1271260), (136, 1196480), (160, 1017008), (170, 957184), (256, 635630), (272, 598240), (320, 508504), (340, 478592), (512, 317815), (544, 299120), (640, 254252), (680, 239296), (1088, 149560), (1280, 127126), (1360, 119648), (2176, 74780), (2560, 63563), (2720, 59824), (3739, 43520), (4352, 37390), (5440, 29912), (7478, 21760), (8704, 18695), (10880, 14956)]