71449120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1290

約数の個数: 72

約数和(自身を含む): 178294284

約数和(自身を除く): 106845164

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1237, 1444, 1520, 1805, 2474, 2888, 3040, 3610, 4948, 5776, 6185, 7220, 9896, 11552, 12370, 14440, 19792, 23503, 24740, 28880, 39584, 47006, 49480, 57760, 94012, 98960, 117515, 188024, 197920, 235030, 376048, 446557, 470060, 752096, 893114, 940120, 1786228, 1880240, 2232785, 3572456, 3760480, 4465570, 7144912, 8931140, 14289824, 17862280, 35724560, 71449120]

約数ペア:

[(1, 71449120), (2, 35724560), (4, 17862280), (5, 14289824), (8, 8931140), (10, 7144912), (16, 4465570), (19, 3760480), (20, 3572456), (32, 2232785), (38, 1880240), (40, 1786228), (76, 940120), (80, 893114), (95, 752096), (152, 470060), (160, 446557), (190, 376048), (304, 235030), (361, 197920), (380, 188024), (608, 117515), (722, 98960), (760, 94012), (1237, 57760), (1444, 49480), (1520, 47006), (1805, 39584), (2474, 28880), (2888, 24740), (3040, 23503), (3610, 19792), (4948, 14440), (5776, 12370), (6185, 11552), (7220, 9896)]