2251620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1787}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 7809984

約数和(自身を除く): 5558364

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, 1787, 3574, 5361, 7148, 8935, 10722, 12509, 16083, 17870, 21444, 25018, 26805, 32166, 35740, 37527, 50036, 53610, 62545, 64332, 75054, 80415, 107220, 112581, 125090, 150108, 160830, 187635, 225162, 250180, 321660, 375270, 450324, 562905, 750540, 1125810, 2251620]

約数ペア:

[(1, 2251620), (2, 1125810), (3, 750540), (4, 562905), (5, 450324), (6, 375270), (7, 321660), (9, 250180), (10, 225162), (12, 187635), (14, 160830), (15, 150108), (18, 125090), (20, 112581), (21, 107220), (28, 80415), (30, 75054), (35, 64332), (36, 62545), (42, 53610), (45, 50036), (60, 37527), (63, 35740), (70, 32166), (84, 26805), (90, 25018), (105, 21444), (126, 17870), (140, 16083), (180, 12509), (210, 10722), (252, 8935), (315, 7148), (420, 5361), (630, 3574), (1260, 1787)]