30281920

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 72658224

約数和(自身を除く): 42376304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 547, 692, 865, 1094, 1384, 1730, 2188, 2735, 2768, 3460, 4376, 5470, 5536, 6920, 8752, 10940, 11072, 13840, 17504, 21880, 27680, 35008, 43760, 55360, 87520, 94631, 175040, 189262, 378524, 473155, 757048, 946310, 1514096, 1892620, 3028192, 3785240, 6056384, 7570480, 15140960, 30281920]

約数ペア:

[(1, 30281920), (2, 15140960), (4, 7570480), (5, 6056384), (8, 3785240), (10, 3028192), (16, 1892620), (20, 1514096), (32, 946310), (40, 757048), (64, 473155), (80, 378524), (160, 189262), (173, 175040), (320, 94631), (346, 87520), (547, 55360), (692, 43760), (865, 35008), (1094, 27680), (1384, 21880), (1730, 17504), (2188, 13840), (2735, 11072), (2768, 10940), (3460, 8752), (4376, 6920), (5470, 5536)]