72101820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171671}}^1$

素因数の和:171690

約数の個数: 48

約数和(自身を含む): 230727168

約数和(自身を除く): 158625348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171671, 343342, 515013, 686684, 858355, 1030026, 1201697, 1716710, 2060052, 2403394, 2575065, 3433420, 3605091, 4806788, 5150130, 6008485, 7210182, 10300260, 12016970, 14420364, 18025455, 24033940, 36050910, 72101820]

約数ペア:

[(1, 72101820), (2, 36050910), (3, 24033940), (4, 18025455), (5, 14420364), (6, 12016970), (7, 10300260), (10, 7210182), (12, 6008485), (14, 5150130), (15, 4806788), (20, 3605091), (21, 3433420), (28, 2575065), (30, 2403394), (35, 2060052), (42, 1716710), (60, 1201697), (70, 1030026), (84, 858355), (105, 686684), (140, 515013), (210, 343342), (420, 171671)]