645034607888

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{661}}^1\times {\mathrm{45823}}^1$

素因数の和:46525

約数の個数: 80

約数和(自身を含む): 1376745787392

約数和(自身を除く): 731711179504

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 661, 968, 1322, 1331, 1936, 2644, 2662, 5288, 5324, 7271, 10576, 10648, 14542, 21296, 29084, 45823, 58168, 79981, 91646, 116336, 159962, 183292, 319924, 366584, 504053, 639848, 733168, 879791, 1008106, 1279696, 1759582, 2016212, 3519164, 4032424, 5544583, 7038328, 8064848, 11089166, 14076656, 22178332, 30289003, 44356664, 60578006, 60990413, 88713328, 121156012, 121980826, 242312024, 243961652, 333179033, 484624048, 487923304, 666358066, 975846608, 1332716132, 2665432264, 3664969363, 5330864528, 7329938726, 14659877452, 29319754904, 40314662993, 58639509808, 80629325986, 161258651972, 322517303944, 645034607888]

約数ペア:

[(1, 645034607888), (2, 322517303944), (4, 161258651972), (8, 80629325986), (11, 58639509808), (16, 40314662993), (22, 29319754904), (44, 14659877452), (88, 7329938726), (121, 5330864528), (176, 3664969363), (242, 2665432264), (484, 1332716132), (661, 975846608), (968, 666358066), (1322, 487923304), (1331, 484624048), (1936, 333179033), (2644, 243961652), (2662, 242312024), (5288, 121980826), (5324, 121156012), (7271, 88713328), (10576, 60990413), (10648, 60578006), (14542, 44356664), (21296, 30289003), (29084, 22178332), (45823, 14076656), (58168, 11089166), (79981, 8064848), (91646, 7038328), (116336, 5544583), (159962, 4032424), (183292, 3519164), (319924, 2016212), (366584, 1759582), (504053, 1279696), (639848, 1008106), (733168, 879791)]