161706560

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 407310336

約数和(自身を除く): 245603776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 160, 173, 184, 230, 254, 320, 346, 368, 460, 508, 635, 692, 736, 865, 920, 1016, 1270, 1384, 1472, 1730, 1840, 2032, 2540, 2768, 2921, 3460, 3680, 3979, 4064, 5080, 5536, 5842, 6920, 7360, 7958, 8128, 10160, 11072, 11684, 13840, 14605, 15916, 19895, 20320, 21971, 23368, 27680, 29210, 31832, 39790, 40640, 43942, 46736, 55360, 58420, 63664, 79580, 87884, 93472, 109855, 116840, 127328, 159160, 175768, 186944, 219710, 233680, 254656, 318320, 351536, 439420, 467360, 505333, 636640, 703072, 878840, 934720, 1010666, 1273280, 1406144, 1757680, 2021332, 2526665, 3515360, 4042664, 5053330, 7030720, 8085328, 10106660, 16170656, 20213320, 32341312, 40426640, 80853280, 161706560]

約数ペア:

[(1, 161706560), (2, 80853280), (4, 40426640), (5, 32341312), (8, 20213320), (10, 16170656), (16, 10106660), (20, 8085328), (23, 7030720), (32, 5053330), (40, 4042664), (46, 3515360), (64, 2526665), (80, 2021332), (92, 1757680), (115, 1406144), (127, 1273280), (160, 1010666), (173, 934720), (184, 878840), (230, 703072), (254, 636640), (320, 505333), (346, 467360), (368, 439420), (460, 351536), (508, 318320), (635, 254656), (692, 233680), (736, 219710), (865, 186944), (920, 175768), (1016, 159160), (1270, 127328), (1384, 116840), (1472, 109855), (1730, 93472), (1840, 87884), (2032, 79580), (2540, 63664), (2768, 58420), (2921, 55360), (3460, 46736), (3680, 43942), (3979, 40640), (4064, 39790), (5080, 31832), (5536, 29210), (5842, 27680), (6920, 23368), (7360, 21971), (7958, 20320), (8128, 19895), (10160, 15916), (11072, 14605), (11684, 13840)]