254487240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{100987}}^1$

素因数の和:101011

約数の個数: 96

約数和(自身を含む): 945247680

約数和(自身を除く): 690760440

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, 100987, 201974, 302961, 403948, 504935, 605922, 706909, 807896, 908883, 1009870, 1211844, 1413818, 1514805, 1817766, 2019740, 2120727, 2423688, 2827636, 3029610, 3534545, 3635532, 4039480, 4241454, 4544415, 5655272, 6059220, 6362181, 7069090, 7271064, 8482908, 9088830, 10603635, 12118440, 12724362, 14138180, 16965816, 18177660, 21207270, 25448724, 28276360, 31810905, 36355320, 42414540, 50897448, 63621810, 84829080, 127243620, 254487240]

約数ペア:

[(1, 254487240), (2, 127243620), (3, 84829080), (4, 63621810), (5, 50897448), (6, 42414540), (7, 36355320), (8, 31810905), (9, 28276360), (10, 25448724), (12, 21207270), (14, 18177660), (15, 16965816), (18, 14138180), (20, 12724362), (21, 12118440), (24, 10603635), (28, 9088830), (30, 8482908), (35, 7271064), (36, 7069090), (40, 6362181), (42, 6059220), (45, 5655272), (56, 4544415), (60, 4241454), (63, 4039480), (70, 3635532), (72, 3534545), (84, 3029610), (90, 2827636), (105, 2423688), (120, 2120727), (126, 2019740), (140, 1817766), (168, 1514805), (180, 1413818), (210, 1211844), (252, 1009870), (280, 908883), (315, 807896), (360, 706909), (420, 605922), (504, 504935), (630, 403948), (840, 302961), (1260, 201974), (2520, 100987)]