123405920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70117}}^1$

素因数の和:70143

約数の個数: 48

約数和(自身を含む): 318055248

約数和(自身を除く): 194649328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 70117, 140234, 280468, 350585, 560936, 701170, 771287, 1121872, 1402340, 1542574, 2243744, 2804680, 3085148, 3856435, 5609360, 6170296, 7712870, 11218720, 12340592, 15425740, 24681184, 30851480, 61702960, 123405920]

約数ペア:

[(1, 123405920), (2, 61702960), (4, 30851480), (5, 24681184), (8, 15425740), (10, 12340592), (11, 11218720), (16, 7712870), (20, 6170296), (22, 5609360), (32, 3856435), (40, 3085148), (44, 2804680), (55, 2243744), (80, 1542574), (88, 1402340), (110, 1121872), (160, 771287), (176, 701170), (220, 560936), (352, 350585), (440, 280468), (880, 140234), (1760, 70117)]