123686920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10273}}^1$

素因数の和:10334

約数の個数: 64

約数和(自身を含む): 325480320

約数和(自身を除く): 201793400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 10273, 12040, 20546, 41092, 51365, 71911, 82184, 102730, 143822, 205460, 287644, 359555, 410920, 441739, 575288, 719110, 883478, 1438220, 1766956, 2208695, 2876440, 3092173, 3533912, 4417390, 6184346, 8834780, 12368692, 15460865, 17669560, 24737384, 30921730, 61843460, 123686920]

約数ペア:

[(1, 123686920), (2, 61843460), (4, 30921730), (5, 24737384), (7, 17669560), (8, 15460865), (10, 12368692), (14, 8834780), (20, 6184346), (28, 4417390), (35, 3533912), (40, 3092173), (43, 2876440), (56, 2208695), (70, 1766956), (86, 1438220), (140, 883478), (172, 719110), (215, 575288), (280, 441739), (301, 410920), (344, 359555), (430, 287644), (602, 205460), (860, 143822), (1204, 102730), (1505, 82184), (1720, 71911), (2408, 51365), (3010, 41092), (6020, 20546), (10273, 12040)]