90917680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{907}}^1$

素因数の和:1106

約数の個数: 80

約数和(自身を含む): 243198720

約数和(自身を除く): 152281040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 895, 907, 1253, 1432, 1790, 1814, 2506, 2864, 3580, 3628, 4535, 5012, 6265, 6349, 7160, 7256, 9070, 10024, 12530, 12698, 14320, 14512, 18140, 20048, 25060, 25396, 31745, 36280, 50120, 50792, 63490, 72560, 100240, 101584, 126980, 162353, 253960, 324706, 507920, 649412, 811765, 1136471, 1298824, 1623530, 2272942, 2597648, 3247060, 4545884, 5682355, 6494120, 9091768, 11364710, 12988240, 18183536, 22729420, 45458840, 90917680]

約数ペア:

[(1, 90917680), (2, 45458840), (4, 22729420), (5, 18183536), (7, 12988240), (8, 11364710), (10, 9091768), (14, 6494120), (16, 5682355), (20, 4545884), (28, 3247060), (35, 2597648), (40, 2272942), (56, 1623530), (70, 1298824), (80, 1136471), (112, 811765), (140, 649412), (179, 507920), (280, 324706), (358, 253960), (560, 162353), (716, 126980), (895, 101584), (907, 100240), (1253, 72560), (1432, 63490), (1790, 50792), (1814, 50120), (2506, 36280), (2864, 31745), (3580, 25396), (3628, 25060), (4535, 20048), (5012, 18140), (6265, 14512), (6349, 14320), (7160, 12698), (7256, 12530), (9070, 10024)]