291215312920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{20023}}^1$

素因数の和:20577

約数の個数: 128

約数和(自身を含む): 756618854400

約数和(自身を除く): 465403541480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 409, 508, 635, 818, 889, 1016, 1270, 1636, 1778, 2045, 2540, 2863, 3272, 3556, 4090, 4445, 5080, 5726, 7112, 8180, 8890, 11452, 14315, 16360, 17780, 20023, 22904, 28630, 35560, 40046, 51943, 57260, 80092, 100115, 103886, 114520, 140161, 160184, 200230, 207772, 259715, 280322, 363601, 400460, 415544, 519430, 560644, 700805, 727202, 800920, 1038860, 1121288, 1401610, 1454404, 1818005, 2077720, 2542921, 2803220, 2908808, 3636010, 5085842, 5606440, 7272020, 8189407, 10171684, 12714605, 14544040, 16378814, 17800447, 20343368, 25429210, 32757628, 35600894, 40947035, 50858420, 57325849, 65515256, 71201788, 81894070, 89002235, 101716840, 114651698, 142403576, 163788140, 178004470, 229303396, 286629245, 327576280, 356008940, 458606792, 573258490, 712017880, 1040054689, 1146516980, 2080109378, 2293033960, 4160218756, 5200273445, 7280382823, 8320437512, 10400546890, 14560765646, 20801093780, 29121531292, 36401914115, 41602187560, 58243062584, 72803828230, 145607656460, 291215312920]

約数ペア:

[(1, 291215312920), (2, 145607656460), (4, 72803828230), (5, 58243062584), (7, 41602187560), (8, 36401914115), (10, 29121531292), (14, 20801093780), (20, 14560765646), (28, 10400546890), (35, 8320437512), (40, 7280382823), (56, 5200273445), (70, 4160218756), (127, 2293033960), (140, 2080109378), (254, 1146516980), (280, 1040054689), (409, 712017880), (508, 573258490), (635, 458606792), (818, 356008940), (889, 327576280), (1016, 286629245), (1270, 229303396), (1636, 178004470), (1778, 163788140), (2045, 142403576), (2540, 114651698), (2863, 101716840), (3272, 89002235), (3556, 81894070), (4090, 71201788), (4445, 65515256), (5080, 57325849), (5726, 50858420), (7112, 40947035), (8180, 35600894), (8890, 32757628), (11452, 25429210), (14315, 20343368), (16360, 17800447), (17780, 16378814), (20023, 14544040), (22904, 12714605), (28630, 10171684), (35560, 8189407), (40046, 7272020), (51943, 5606440), (57260, 5085842), (80092, 3636010), (100115, 2908808), (103886, 2803220), (114520, 2542921), (140161, 2077720), (160184, 1818005), (200230, 1454404), (207772, 1401610), (259715, 1121288), (280322, 1038860), (363601, 800920), (400460, 727202), (415544, 700805), (519430, 560644)]