16488950840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{6781}}^1$

素因数の和:6913

約数の個数: 128

約数和(自身を含む): 40079992320

約数和(自身を除く): 23591041480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 53, 62, 74, 106, 124, 148, 155, 185, 212, 248, 265, 296, 310, 370, 424, 530, 620, 740, 1060, 1147, 1240, 1480, 1643, 1961, 2120, 2294, 3286, 3922, 4588, 5735, 6572, 6781, 7844, 8215, 9176, 9805, 11470, 13144, 13562, 15688, 16430, 19610, 22940, 27124, 32860, 33905, 39220, 45880, 54248, 60791, 65720, 67810, 78440, 121582, 135620, 210211, 243164, 250897, 271240, 303955, 359393, 420422, 486328, 501794, 607910, 718786, 840844, 1003588, 1051055, 1215820, 1254485, 1437572, 1681688, 1796965, 2007176, 2102110, 2431640, 2508970, 2875144, 3593930, 4204220, 5017940, 7187860, 7777807, 8408440, 10035880, 11141183, 13297541, 14375720, 15555614, 22282366, 26595082, 31111228, 38889035, 44564732, 53190164, 55705915, 62222456, 66487705, 77778070, 89129464, 106380328, 111411830, 132975410, 155556140, 222823660, 265950820, 311112280, 412223771, 445647320, 531901640, 824447542, 1648895084, 2061118855, 3297790168, 4122237710, 8244475420, 16488950840]

約数ペア:

[(1, 16488950840), (2, 8244475420), (4, 4122237710), (5, 3297790168), (8, 2061118855), (10, 1648895084), (20, 824447542), (31, 531901640), (37, 445647320), (40, 412223771), (53, 311112280), (62, 265950820), (74, 222823660), (106, 155556140), (124, 132975410), (148, 111411830), (155, 106380328), (185, 89129464), (212, 77778070), (248, 66487705), (265, 62222456), (296, 55705915), (310, 53190164), (370, 44564732), (424, 38889035), (530, 31111228), (620, 26595082), (740, 22282366), (1060, 15555614), (1147, 14375720), (1240, 13297541), (1480, 11141183), (1643, 10035880), (1961, 8408440), (2120, 7777807), (2294, 7187860), (3286, 5017940), (3922, 4204220), (4588, 3593930), (5735, 2875144), (6572, 2508970), (6781, 2431640), (7844, 2102110), (8215, 2007176), (9176, 1796965), (9805, 1681688), (11470, 1437572), (13144, 1254485), (13562, 1215820), (15688, 1051055), (16430, 1003588), (19610, 840844), (22940, 718786), (27124, 607910), (32860, 501794), (33905, 486328), (39220, 420422), (45880, 359393), (54248, 303955), (60791, 271240), (65720, 250897), (67810, 243164), (78440, 210211), (121582, 135620)]