2788380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2213}}^1$

素因数の和:2235

約数の個数: 72

約数和(自身を含む): 9670752

約数和(自身を除く): 6882372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2213, 4426, 6639, 8852, 11065, 13278, 15491, 19917, 22130, 26556, 30982, 33195, 39834, 44260, 46473, 61964, 66390, 77455, 79668, 92946, 99585, 132780, 139419, 154910, 185892, 199170, 232365, 278838, 309820, 398340, 464730, 557676, 697095, 929460, 1394190, 2788380]

約数ペア:

[(1, 2788380), (2, 1394190), (3, 929460), (4, 697095), (5, 557676), (6, 464730), (7, 398340), (9, 309820), (10, 278838), (12, 232365), (14, 199170), (15, 185892), (18, 154910), (20, 139419), (21, 132780), (28, 99585), (30, 92946), (35, 79668), (36, 77455), (42, 66390), (45, 61964), (60, 46473), (63, 44260), (70, 39834), (84, 33195), (90, 30982), (105, 26556), (126, 22130), (140, 19917), (180, 15491), (210, 13278), (252, 11065), (315, 8852), (420, 6639), (630, 4426), (1260, 2213)]