165985280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1949

約数の個数: 88

約数和(自身を含む): 421813008

約数和(自身を除く): 255827728

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, 1024, 1088, 1280, 1360, 1907, 2176, 2560, 2720, 3814, 4352, 5120, 5440, 7628, 8704, 9535, 10880, 15256, 17408, 19070, 21760, 30512, 32419, 38140, 43520, 61024, 64838, 76280, 87040, 122048, 129676, 152560, 162095, 244096, 259352, 305120, 324190, 488192, 518704, 610240, 648380, 976384, 1037408, 1220480, 1296760, 1952768, 2074816, 2440960, 2593520, 4149632, 4881920, 5187040, 8299264, 9763840, 10374080, 16598528, 20748160, 33197056, 41496320, 82992640, 165985280]

約数ペア:

[(1, 165985280), (2, 82992640), (4, 41496320), (5, 33197056), (8, 20748160), (10, 16598528), (16, 10374080), (17, 9763840), (20, 8299264), (32, 5187040), (34, 4881920), (40, 4149632), (64, 2593520), (68, 2440960), (80, 2074816), (85, 1952768), (128, 1296760), (136, 1220480), (160, 1037408), (170, 976384), (256, 648380), (272, 610240), (320, 518704), (340, 488192), (512, 324190), (544, 305120), (640, 259352), (680, 244096), (1024, 162095), (1088, 152560), (1280, 129676), (1360, 122048), (1907, 87040), (2176, 76280), (2560, 64838), (2720, 61024), (3814, 43520), (4352, 38140), (5120, 32419), (5440, 30512), (7628, 21760), (8704, 19070), (9535, 17408), (10880, 15256)]