221656080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923567}}^1$

素因数の和:923583

約数の個数: 40

約数和(自身を含む): 687134592

約数和(自身を除く): 465478512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923567, 1847134, 2770701, 3694268, 4617835, 5541402, 7388536, 9235670, 11082804, 13853505, 14777072, 18471340, 22165608, 27707010, 36942680, 44331216, 55414020, 73885360, 110828040, 221656080]

約数ペア:

[(1, 221656080), (2, 110828040), (3, 73885360), (4, 55414020), (5, 44331216), (6, 36942680), (8, 27707010), (10, 22165608), (12, 18471340), (15, 14777072), (16, 13853505), (20, 11082804), (24, 9235670), (30, 7388536), (40, 5541402), (48, 4617835), (60, 3694268), (80, 2770701), (120, 1847134), (240, 923567)]