71256640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2484

約数の個数: 112

約数和(自身を含む): 208922112

約数和(自身を除く): 137665472

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2447, 2912, 3640, 4160, 4894, 5824, 7280, 9788, 12235, 14560, 17129, 19576, 24470, 29120, 31811, 34258, 39152, 48940, 63622, 68516, 78304, 85645, 97880, 127244, 137032, 156608, 159055, 171290, 195760, 222677, 254488, 274064, 318110, 342580, 391520, 445354, 508976, 548128, 636220, 685160, 783040, 890708, 1017952, 1096256, 1113385, 1272440, 1370320, 1781416, 2035904, 2226770, 2544880, 2740640, 3562832, 4453540, 5089760, 5481280, 7125664, 8907080, 10179520, 14251328, 17814160, 35628320, 71256640]

約数ペア:

[(1, 71256640), (2, 35628320), (4, 17814160), (5, 14251328), (7, 10179520), (8, 8907080), (10, 7125664), (13, 5481280), (14, 5089760), (16, 4453540), (20, 3562832), (26, 2740640), (28, 2544880), (32, 2226770), (35, 2035904), (40, 1781416), (52, 1370320), (56, 1272440), (64, 1113385), (65, 1096256), (70, 1017952), (80, 890708), (91, 783040), (104, 685160), (112, 636220), (130, 548128), (140, 508976), (160, 445354), (182, 391520), (208, 342580), (224, 318110), (260, 274064), (280, 254488), (320, 222677), (364, 195760), (416, 171290), (448, 159055), (455, 156608), (520, 137032), (560, 127244), (728, 97880), (832, 85645), (910, 78304), (1040, 68516), (1120, 63622), (1456, 48940), (1820, 39152), (2080, 34258), (2240, 31811), (2447, 29120), (2912, 24470), (3640, 19576), (4160, 17129), (4894, 14560), (5824, 12235), (7280, 9788)]