686642805

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 1365811200

約数和(自身を除く): 679168395

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 103, 113, 115, 135, 171, 207, 285, 309, 339, 345, 437, 513, 515, 565, 621, 855, 927, 1017, 1035, 1311, 1545, 1695, 1957, 2147, 2185, 2369, 2565, 2599, 2781, 3051, 3105, 3933, 4635, 5085, 5871, 6441, 6555, 7107, 7797, 9785, 10735, 11639, 11799, 11845, 12995, 13905, 15255, 17613, 19323, 19665, 21321, 23391, 29355, 32205, 34917, 35535, 38985, 45011, 49381, 52839, 57969, 58195, 58995, 63963, 70173, 88065, 96615, 104751, 106605, 116955, 135033, 148143, 174585, 221141, 225055, 246905, 264195, 267697, 289845, 314253, 319815, 350865, 405099, 444429, 523755, 663423, 675165, 740715, 803091, 1105705, 1215297, 1333287, 1338485, 1571265, 1990269, 2025495, 2222145, 2409273, 3317115, 4015455, 5086243, 5970807, 6076485, 6666435, 7227819, 9951345, 12046365, 15258729, 25431215, 29854035, 36139095, 45776187, 76293645, 137328561, 228880935, 686642805]

約数ペア:

[(1, 686642805), (3, 228880935), (5, 137328561), (9, 76293645), (15, 45776187), (19, 36139095), (23, 29854035), (27, 25431215), (45, 15258729), (57, 12046365), (69, 9951345), (95, 7227819), (103, 6666435), (113, 6076485), (115, 5970807), (135, 5086243), (171, 4015455), (207, 3317115), (285, 2409273), (309, 2222145), (339, 2025495), (345, 1990269), (437, 1571265), (513, 1338485), (515, 1333287), (565, 1215297), (621, 1105705), (855, 803091), (927, 740715), (1017, 675165), (1035, 663423), (1311, 523755), (1545, 444429), (1695, 405099), (1957, 350865), (2147, 319815), (2185, 314253), (2369, 289845), (2565, 267697), (2599, 264195), (2781, 246905), (3051, 225055), (3105, 221141), (3933, 174585), (4635, 148143), (5085, 135033), (5871, 116955), (6441, 106605), (6555, 104751), (7107, 96615), (7797, 88065), (9785, 70173), (10735, 63963), (11639, 58995), (11799, 58195), (11845, 57969), (12995, 52839), (13905, 49381), (15255, 45011), (17613, 38985), (19323, 35535), (19665, 34917), (21321, 32205), (23391, 29355)]