77206160

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 185613120

約数和(自身を除く): 108406960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 131, 139, 212, 262, 265, 278, 424, 524, 530, 556, 655, 695, 848, 1048, 1060, 1112, 1310, 1390, 2096, 2120, 2224, 2620, 2780, 4240, 5240, 5560, 6943, 7367, 10480, 11120, 13886, 14734, 18209, 27772, 29468, 34715, 36418, 36835, 55544, 58936, 69430, 72836, 73670, 91045, 111088, 117872, 138860, 145672, 147340, 182090, 277720, 291344, 294680, 364180, 555440, 589360, 728360, 965077, 1456720, 1930154, 3860308, 4825385, 7720616, 9650770, 15441232, 19301540, 38603080, 77206160]

約数ペア:

[(1, 77206160), (2, 38603080), (4, 19301540), (5, 15441232), (8, 9650770), (10, 7720616), (16, 4825385), (20, 3860308), (40, 1930154), (53, 1456720), (80, 965077), (106, 728360), (131, 589360), (139, 555440), (212, 364180), (262, 294680), (265, 291344), (278, 277720), (424, 182090), (524, 147340), (530, 145672), (556, 138860), (655, 117872), (695, 111088), (848, 91045), (1048, 73670), (1060, 72836), (1112, 69430), (1310, 58936), (1390, 55544), (2096, 36835), (2120, 36418), (2224, 34715), (2620, 29468), (2780, 27772), (4240, 18209), (5240, 14734), (5560, 13886), (6943, 11120), (7367, 10480)]