221979180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4079}}^1$

素因数の和:4998

約数の個数: 48

約数和(自身を含む): 622379520

約数和(自身を除く): 400400340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 907, 1814, 2721, 3628, 4079, 4535, 5442, 8158, 9070, 10884, 12237, 13605, 16316, 18140, 20395, 24474, 27210, 40790, 48948, 54420, 61185, 81580, 122370, 244740, 3699653, 7399306, 11098959, 14798612, 18498265, 22197918, 36996530, 44395836, 55494795, 73993060, 110989590, 221979180]

約数ペア:

[(1, 221979180), (2, 110989590), (3, 73993060), (4, 55494795), (5, 44395836), (6, 36996530), (10, 22197918), (12, 18498265), (15, 14798612), (20, 11098959), (30, 7399306), (60, 3699653), (907, 244740), (1814, 122370), (2721, 81580), (3628, 61185), (4079, 54420), (4535, 48948), (5442, 40790), (8158, 27210), (9070, 24474), (10884, 20395), (12237, 18140), (13605, 16316)]