1555657376

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 192

約数和(自身を含む): 4100382720

約数和(自身を除く): 2544725344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 224, 247, 248, 266, 304, 364, 403, 416, 434, 494, 496, 532, 589, 608, 728, 806, 868, 907, 988, 992, 1064, 1178, 1456, 1612, 1729, 1736, 1814, 1976, 2128, 2356, 2821, 2912, 3224, 3458, 3472, 3628, 3952, 4123, 4256, 4712, 5642, 6349, 6448, 6916, 6944, 7256, 7657, 7904, 8246, 9424, 11284, 11791, 12698, 12896, 13832, 14512, 15314, 16492, 17233, 18848, 22568, 23582, 25396, 27664, 28117, 29024, 30628, 32984, 34466, 45136, 47164, 50792, 53599, 55328, 56234, 61256, 65968, 68932, 82537, 90272, 94328, 101584, 107198, 112468, 120631, 122512, 131936, 137864, 165074, 188656, 196819, 203168, 214396, 224029, 224936, 241262, 245024, 275728, 330148, 365521, 377312, 393638, 428792, 448058, 449872, 482524, 534223, 551456, 660296, 731042, 787276, 857584, 896116, 899744, 965048, 1068446, 1320592, 1462084, 1568203, 1574552, 1715168, 1792232, 1930096, 2136892, 2558647, 2641184, 2924168, 3136406, 3149104, 3584464, 3739561, 3860192, 4273784, 5117294, 5848336, 6272812, 6298208, 6944899, 7168928, 7479122, 8547568, 10234588, 11696672, 12545624, 13889798, 14958244, 17095136, 20469176, 25091248, 27779596, 29916488, 40938352, 48614293, 50182496, 55559192, 59832976, 81876704, 97228586, 111118384, 119665952, 194457172, 222236768, 388914344, 777828688, 1555657376]

約数ペア:

[(1, 1555657376), (2, 777828688), (4, 388914344), (7, 222236768), (8, 194457172), (13, 119665952), (14, 111118384), (16, 97228586), (19, 81876704), (26, 59832976), (28, 55559192), (31, 50182496), (32, 48614293), (38, 40938352), (52, 29916488), (56, 27779596), (62, 25091248), (76, 20469176), (91, 17095136), (104, 14958244), (112, 13889798), (124, 12545624), (133, 11696672), (152, 10234588), (182, 8547568), (208, 7479122), (217, 7168928), (224, 6944899), (247, 6298208), (248, 6272812), (266, 5848336), (304, 5117294), (364, 4273784), (403, 3860192), (416, 3739561), (434, 3584464), (494, 3149104), (496, 3136406), (532, 2924168), (589, 2641184), (608, 2558647), (728, 2136892), (806, 1930096), (868, 1792232), (907, 1715168), (988, 1574552), (992, 1568203), (1064, 1462084), (1178, 1320592), (1456, 1068446), (1612, 965048), (1729, 899744), (1736, 896116), (1814, 857584), (1976, 787276), (2128, 731042), (2356, 660296), (2821, 551456), (2912, 534223), (3224, 482524), (3458, 449872), (3472, 448058), (3628, 428792), (3952, 393638), (4123, 377312), (4256, 365521), (4712, 330148), (5642, 275728), (6349, 245024), (6448, 241262), (6916, 224936), (6944, 224029), (7256, 214396), (7657, 203168), (7904, 196819), (8246, 188656), (9424, 165074), (11284, 137864), (11791, 131936), (12698, 122512), (12896, 120631), (13832, 112468), (14512, 107198), (15314, 101584), (16492, 94328), (17233, 90272), (18848, 82537), (22568, 68932), (23582, 65968), (25396, 61256), (27664, 56234), (28117, 55328), (29024, 53599), (30628, 50792), (32984, 47164), (34466, 45136)]