40374120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 121950720

約数和(自身を除く): 81576600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2143, 2355, 3140, 3768, 4286, 4710, 6280, 6429, 8572, 9420, 10715, 12858, 17144, 18840, 21430, 25716, 32145, 42860, 51432, 64290, 85720, 128580, 257160, 336451, 672902, 1009353, 1345804, 1682255, 2018706, 2691608, 3364510, 4037412, 5046765, 6729020, 8074824, 10093530, 13458040, 20187060, 40374120]

約数ペア:

[(1, 40374120), (2, 20187060), (3, 13458040), (4, 10093530), (5, 8074824), (6, 6729020), (8, 5046765), (10, 4037412), (12, 3364510), (15, 2691608), (20, 2018706), (24, 1682255), (30, 1345804), (40, 1009353), (60, 672902), (120, 336451), (157, 257160), (314, 128580), (471, 85720), (628, 64290), (785, 51432), (942, 42860), (1256, 32145), (1570, 25716), (1884, 21430), (2143, 18840), (2355, 17144), (3140, 12858), (3768, 10715), (4286, 9420), (4710, 8572), (6280, 6429)]