20160711520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:901

約数の個数: 192

約数和(自身を含む): 51248332800

約数和(自身を除く): 31087621280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 79, 80, 95, 127, 152, 158, 160, 190, 254, 304, 316, 380, 395, 508, 608, 632, 635, 661, 760, 790, 1016, 1264, 1270, 1322, 1501, 1520, 1580, 2032, 2413, 2528, 2540, 2644, 3002, 3040, 3160, 3305, 4064, 4826, 5080, 5288, 6004, 6320, 6610, 7505, 9652, 10033, 10160, 10576, 12008, 12065, 12559, 12640, 13220, 15010, 19304, 20066, 20320, 21152, 24016, 24130, 25118, 26440, 30020, 38608, 40132, 48032, 48260, 50165, 50236, 52219, 52880, 60040, 62795, 77216, 80264, 83947, 96520, 100330, 100472, 104438, 105760, 120080, 125590, 160528, 167894, 190627, 193040, 200660, 200944, 208876, 240160, 251180, 261095, 321056, 335788, 381254, 386080, 401320, 401888, 417752, 419735, 502360, 522190, 671576, 762508, 802640, 835504, 839470, 953135, 992161, 1004720, 1044380, 1343152, 1525016, 1594993, 1605280, 1671008, 1678940, 1906270, 1984322, 2009440, 2088760, 2686304, 3050032, 3189986, 3357880, 3812540, 3968644, 4177520, 4960805, 6100064, 6379972, 6631813, 6715760, 7625080, 7937288, 7974965, 8355040, 9921610, 12759944, 13263626, 13431520, 15250160, 15874576, 15949930, 19843220, 25519888, 26527252, 30500320, 31749152, 31899860, 33159065, 39686440, 51039776, 53054504, 63799720, 66318130, 79372880, 106109008, 126004447, 127599440, 132636260, 158745760, 212218016, 252008894, 255198880, 265272520, 504017788, 530545040, 630022235, 1008035576, 1061090080, 1260044470, 2016071152, 2520088940, 4032142304, 5040177880, 10080355760, 20160711520]

約数ペア:

[(1, 20160711520), (2, 10080355760), (4, 5040177880), (5, 4032142304), (8, 2520088940), (10, 2016071152), (16, 1260044470), (19, 1061090080), (20, 1008035576), (32, 630022235), (38, 530545040), (40, 504017788), (76, 265272520), (79, 255198880), (80, 252008894), (95, 212218016), (127, 158745760), (152, 132636260), (158, 127599440), (160, 126004447), (190, 106109008), (254, 79372880), (304, 66318130), (316, 63799720), (380, 53054504), (395, 51039776), (508, 39686440), (608, 33159065), (632, 31899860), (635, 31749152), (661, 30500320), (760, 26527252), (790, 25519888), (1016, 19843220), (1264, 15949930), (1270, 15874576), (1322, 15250160), (1501, 13431520), (1520, 13263626), (1580, 12759944), (2032, 9921610), (2413, 8355040), (2528, 7974965), (2540, 7937288), (2644, 7625080), (3002, 6715760), (3040, 6631813), (3160, 6379972), (3305, 6100064), (4064, 4960805), (4826, 4177520), (5080, 3968644), (5288, 3812540), (6004, 3357880), (6320, 3189986), (6610, 3050032), (7505, 2686304), (9652, 2088760), (10033, 2009440), (10160, 1984322), (10576, 1906270), (12008, 1678940), (12065, 1671008), (12559, 1605280), (12640, 1594993), (13220, 1525016), (15010, 1343152), (19304, 1044380), (20066, 1004720), (20320, 992161), (21152, 953135), (24016, 839470), (24130, 835504), (25118, 802640), (26440, 762508), (30020, 671576), (38608, 522190), (40132, 502360), (48032, 419735), (48260, 417752), (50165, 401888), (50236, 401320), (52219, 386080), (52880, 381254), (60040, 335788), (62795, 321056), (77216, 261095), (80264, 251180), (83947, 240160), (96520, 208876), (100330, 200944), (100472, 200660), (104438, 193040), (105760, 190627), (120080, 167894), (125590, 160528)]