145577680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 353548800

約数和(自身を除く): 207971120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 131, 145, 232, 262, 290, 464, 479, 524, 580, 655, 958, 1048, 1160, 1310, 1916, 2096, 2320, 2395, 2620, 3799, 3832, 4790, 5240, 7598, 7664, 9580, 10480, 13891, 15196, 18995, 19160, 27782, 30392, 37990, 38320, 55564, 60784, 62749, 69455, 75980, 111128, 125498, 138910, 151960, 222256, 250996, 277820, 303920, 313745, 501992, 555640, 627490, 1003984, 1111280, 1254980, 1819721, 2509960, 3639442, 5019920, 7278884, 9098605, 14557768, 18197210, 29115536, 36394420, 72788840, 145577680]

約数ペア:

[(1, 145577680), (2, 72788840), (4, 36394420), (5, 29115536), (8, 18197210), (10, 14557768), (16, 9098605), (20, 7278884), (29, 5019920), (40, 3639442), (58, 2509960), (80, 1819721), (116, 1254980), (131, 1111280), (145, 1003984), (232, 627490), (262, 555640), (290, 501992), (464, 313745), (479, 303920), (524, 277820), (580, 250996), (655, 222256), (958, 151960), (1048, 138910), (1160, 125498), (1310, 111128), (1916, 75980), (2096, 69455), (2320, 62749), (2395, 60784), (2620, 55564), (3799, 38320), (3832, 37990), (4790, 30392), (5240, 27782), (7598, 19160), (7664, 18995), (9580, 15196), (10480, 13891)]