1121571780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{381487}}^1$

素因数の和:381513

約数の個数: 72

約数和(自身を含む): 3653129088

約数和(自身を除く): 2531557308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 381487, 762974, 1144461, 1525948, 1907435, 2288922, 2670409, 3814870, 4577844, 5340818, 5722305, 7629740, 8011227, 10681636, 11444610, 13352045, 16022454, 18692863, 22889220, 26704090, 32044908, 37385726, 40056135, 53408180, 56078589, 74771452, 80112270, 93464315, 112157178, 160224540, 186928630, 224314356, 280392945, 373857260, 560785890, 1121571780]

約数ペア:

[(1, 1121571780), (2, 560785890), (3, 373857260), (4, 280392945), (5, 224314356), (6, 186928630), (7, 160224540), (10, 112157178), (12, 93464315), (14, 80112270), (15, 74771452), (20, 56078589), (21, 53408180), (28, 40056135), (30, 37385726), (35, 32044908), (42, 26704090), (49, 22889220), (60, 18692863), (70, 16022454), (84, 13352045), (98, 11444610), (105, 10681636), (140, 8011227), (147, 7629740), (196, 5722305), (210, 5340818), (245, 4577844), (294, 3814870), (420, 2670409), (490, 2288922), (588, 1907435), (735, 1525948), (980, 1144461), (1470, 762974), (2940, 381487)]