9916720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 25712640

約数和(自身を除く): 15795920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 191, 220, 236, 295, 382, 440, 472, 590, 649, 764, 880, 944, 955, 1180, 1298, 1528, 1910, 2101, 2360, 2596, 3056, 3245, 3820, 4202, 4720, 5192, 6490, 7640, 8404, 10384, 10505, 11269, 12980, 15280, 16808, 21010, 22538, 25960, 33616, 42020, 45076, 51920, 56345, 84040, 90152, 112690, 123959, 168080, 180304, 225380, 247918, 450760, 495836, 619795, 901520, 991672, 1239590, 1983344, 2479180, 4958360, 9916720]

約数ペア:

[(1, 9916720), (2, 4958360), (4, 2479180), (5, 1983344), (8, 1239590), (10, 991672), (11, 901520), (16, 619795), (20, 495836), (22, 450760), (40, 247918), (44, 225380), (55, 180304), (59, 168080), (80, 123959), (88, 112690), (110, 90152), (118, 84040), (176, 56345), (191, 51920), (220, 45076), (236, 42020), (295, 33616), (382, 25960), (440, 22538), (472, 21010), (590, 16808), (649, 15280), (764, 12980), (880, 11269), (944, 10505), (955, 10384), (1180, 8404), (1298, 7640), (1528, 6490), (1910, 5192), (2101, 4720), (2360, 4202), (2596, 3820), (3056, 3245)]