78307920705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1811}}^1$

素因数の和:2087

約数の個数: 128

約数和(自身を含む): 149954973696

約数和(自身を除く): 71647052991

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 105, 129, 157, 183, 215, 301, 305, 427, 471, 645, 785, 903, 915, 1099, 1281, 1505, 1811, 2135, 2355, 2623, 3297, 4515, 5433, 5495, 6405, 6751, 7869, 9055, 9577, 12677, 13115, 16485, 18361, 20253, 27165, 28731, 33755, 38031, 39345, 47257, 47885, 55083, 63385, 67039, 77873, 91805, 101265, 110471, 141771, 143655, 190155, 201117, 233619, 236285, 275415, 284327, 331413, 335195, 389365, 411811, 545111, 552355, 708855, 773297, 852981, 1005585, 1168095, 1235433, 1421635, 1635333, 1657065, 1990289, 2059055, 2319891, 2725555, 2882677, 3866485, 4264905, 4750253, 5970867, 6177165, 8176665, 8648031, 9951445, 11599455, 12226061, 14250759, 14413385, 17343947, 23751265, 29854335, 33251771, 36678183, 43240155, 52031841, 61130305, 71253795, 85582427, 86719735, 99755313, 121407629, 166258855, 183390915, 256747281, 260159205, 364222887, 427912135, 498776565, 607038145, 745789721, 1283736405, 1821114435, 2237369163, 3728948605, 5220528047, 11186845815, 15661584141, 26102640235, 78307920705]

約数ペア:

[(1, 78307920705), (3, 26102640235), (5, 15661584141), (7, 11186845815), (15, 5220528047), (21, 3728948605), (35, 2237369163), (43, 1821114435), (61, 1283736405), (105, 745789721), (129, 607038145), (157, 498776565), (183, 427912135), (215, 364222887), (301, 260159205), (305, 256747281), (427, 183390915), (471, 166258855), (645, 121407629), (785, 99755313), (903, 86719735), (915, 85582427), (1099, 71253795), (1281, 61130305), (1505, 52031841), (1811, 43240155), (2135, 36678183), (2355, 33251771), (2623, 29854335), (3297, 23751265), (4515, 17343947), (5433, 14413385), (5495, 14250759), (6405, 12226061), (6751, 11599455), (7869, 9951445), (9055, 8648031), (9577, 8176665), (12677, 6177165), (13115, 5970867), (16485, 4750253), (18361, 4264905), (20253, 3866485), (27165, 2882677), (28731, 2725555), (33755, 2319891), (38031, 2059055), (39345, 1990289), (47257, 1657065), (47885, 1635333), (55083, 1421635), (63385, 1235433), (67039, 1168095), (77873, 1005585), (91805, 852981), (101265, 773297), (110471, 708855), (141771, 552355), (143655, 545111), (190155, 411811), (201117, 389365), (233619, 335195), (236285, 331413), (275415, 284327)]