161001440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 403885440

約数和(自身を除く): 242884000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 211, 251, 304, 380, 422, 502, 608, 760, 844, 1004, 1055, 1255, 1520, 1688, 2008, 2110, 2510, 3040, 3376, 4009, 4016, 4220, 4769, 5020, 6752, 8018, 8032, 8440, 9538, 10040, 16036, 16880, 19076, 20045, 20080, 23845, 32072, 33760, 38152, 40090, 40160, 47690, 52961, 64144, 76304, 80180, 95380, 105922, 128288, 152608, 160360, 190760, 211844, 264805, 320720, 381520, 423688, 529610, 641440, 763040, 847376, 1006259, 1059220, 1694752, 2012518, 2118440, 4025036, 4236880, 5031295, 8050072, 8473760, 10062590, 16100144, 20125180, 32200288, 40250360, 80500720, 161001440]

約数ペア:

[(1, 161001440), (2, 80500720), (4, 40250360), (5, 32200288), (8, 20125180), (10, 16100144), (16, 10062590), (19, 8473760), (20, 8050072), (32, 5031295), (38, 4236880), (40, 4025036), (76, 2118440), (80, 2012518), (95, 1694752), (152, 1059220), (160, 1006259), (190, 847376), (211, 763040), (251, 641440), (304, 529610), (380, 423688), (422, 381520), (502, 320720), (608, 264805), (760, 211844), (844, 190760), (1004, 160360), (1055, 152608), (1255, 128288), (1520, 105922), (1688, 95380), (2008, 80180), (2110, 76304), (2510, 64144), (3040, 52961), (3376, 47690), (4009, 40160), (4016, 40090), (4220, 38152), (4769, 33760), (5020, 32072), (6752, 23845), (8018, 20080), (8032, 20045), (8440, 19076), (9538, 16880), (10040, 16036)]