690406920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{273971}}^1$

素因数の和:273995

約数の個数: 96

約数和(自身を含む): 2564377920

約数和(自身を除く): 1873971000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 273971, 547942, 821913, 1095884, 1369855, 1643826, 1917797, 2191768, 2465739, 2739710, 3287652, 3835594, 4109565, 4931478, 5479420, 5753391, 6575304, 7671188, 8219130, 9588985, 9862956, 10958840, 11506782, 12328695, 15342376, 16438260, 17260173, 19177970, 19725912, 23013564, 24657390, 28766955, 32876520, 34520346, 38355940, 46027128, 49314780, 57533910, 69040692, 76711880, 86300865, 98629560, 115067820, 138081384, 172601730, 230135640, 345203460, 690406920]

約数ペア:

[(1, 690406920), (2, 345203460), (3, 230135640), (4, 172601730), (5, 138081384), (6, 115067820), (7, 98629560), (8, 86300865), (9, 76711880), (10, 69040692), (12, 57533910), (14, 49314780), (15, 46027128), (18, 38355940), (20, 34520346), (21, 32876520), (24, 28766955), (28, 24657390), (30, 23013564), (35, 19725912), (36, 19177970), (40, 17260173), (42, 16438260), (45, 15342376), (56, 12328695), (60, 11506782), (63, 10958840), (70, 9862956), (72, 9588985), (84, 8219130), (90, 7671188), (105, 6575304), (120, 5753391), (126, 5479420), (140, 4931478), (168, 4109565), (180, 3835594), (210, 3287652), (252, 2739710), (280, 2465739), (315, 2191768), (360, 1917797), (420, 1643826), (504, 1369855), (630, 1095884), (840, 821913), (1260, 547942), (2520, 273971)]