7426440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 28143180

約数和(自身を除く): 20716740

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 421, 441, 490, 504, 588, 630, 735, 840, 842, 882, 980, 1176, 1260, 1263, 1470, 1684, 1764, 1960, 2105, 2205, 2520, 2526, 2940, 2947, 3368, 3528, 3789, 4210, 4410, 5052, 5880, 5894, 6315, 7578, 8420, 8820, 8841, 10104, 11788, 12630, 14735, 15156, 16840, 17640, 17682, 18945, 20629, 23576, 25260, 26523, 29470, 30312, 35364, 37890, 41258, 44205, 50520, 53046, 58940, 61887, 70728, 75780, 82516, 88410, 103145, 106092, 117880, 123774, 132615, 151560, 165032, 176820, 185661, 206290, 212184, 247548, 265230, 309435, 353640, 371322, 412580, 495096, 530460, 618870, 742644, 825160, 928305, 1060920, 1237740, 1485288, 1856610, 2475480, 3713220, 7426440]

約数ペア:

[(1, 7426440), (2, 3713220), (3, 2475480), (4, 1856610), (5, 1485288), (6, 1237740), (7, 1060920), (8, 928305), (9, 825160), (10, 742644), (12, 618870), (14, 530460), (15, 495096), (18, 412580), (20, 371322), (21, 353640), (24, 309435), (28, 265230), (30, 247548), (35, 212184), (36, 206290), (40, 185661), (42, 176820), (45, 165032), (49, 151560), (56, 132615), (60, 123774), (63, 117880), (70, 106092), (72, 103145), (84, 88410), (90, 82516), (98, 75780), (105, 70728), (120, 61887), (126, 58940), (140, 53046), (147, 50520), (168, 44205), (180, 41258), (196, 37890), (210, 35364), (245, 30312), (252, 29470), (280, 26523), (294, 25260), (315, 23576), (360, 20629), (392, 18945), (420, 17682), (421, 17640), (441, 16840), (490, 15156), (504, 14735), (588, 12630), (630, 11788), (735, 10104), (840, 8841), (842, 8820), (882, 8420), (980, 7578), (1176, 6315), (1260, 5894), (1263, 5880), (1470, 5052), (1684, 4410), (1764, 4210), (1960, 3789), (2105, 3528), (2205, 3368), (2520, 2947), (2526, 2940)]