640922724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{12799}}^1$

素因数の和:12929

約数の個数: 72

約数和(自身を含む): 1761177600

約数和(自身を除く): 1120254876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 963, 1284, 1391, 1926, 2782, 3852, 4173, 5564, 8346, 12519, 12799, 16692, 25038, 25598, 38397, 50076, 51196, 76794, 115191, 153588, 166387, 230382, 332774, 460764, 499161, 665548, 998322, 1369493, 1497483, 1996644, 2738986, 2994966, 4108479, 5477972, 5989932, 8216958, 12325437, 16433916, 17803409, 24650874, 35606818, 49301748, 53410227, 71213636, 106820454, 160230681, 213640908, 320461362, 640922724]

約数ペア:

[(1, 640922724), (2, 320461362), (3, 213640908), (4, 160230681), (6, 106820454), (9, 71213636), (12, 53410227), (13, 49301748), (18, 35606818), (26, 24650874), (36, 17803409), (39, 16433916), (52, 12325437), (78, 8216958), (107, 5989932), (117, 5477972), (156, 4108479), (214, 2994966), (234, 2738986), (321, 1996644), (428, 1497483), (468, 1369493), (642, 998322), (963, 665548), (1284, 499161), (1391, 460764), (1926, 332774), (2782, 230382), (3852, 166387), (4173, 153588), (5564, 115191), (8346, 76794), (12519, 51196), (12799, 50076), (16692, 38397), (25038, 25598)]