306155640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{364471}}^1$

素因数の和:364492

約数の個数: 64

約数和(自身を含む): 1049679360

約数和(自身を除く): 743523720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 364471, 728942, 1093413, 1457884, 1822355, 2186826, 2551297, 2915768, 3644710, 4373652, 5102594, 5467065, 7289420, 7653891, 8747304, 10205188, 10934130, 12756485, 14578840, 15307782, 20410376, 21868260, 25512970, 30615564, 38269455, 43736520, 51025940, 61231128, 76538910, 102051880, 153077820, 306155640]

約数ペア:

[(1, 306155640), (2, 153077820), (3, 102051880), (4, 76538910), (5, 61231128), (6, 51025940), (7, 43736520), (8, 38269455), (10, 30615564), (12, 25512970), (14, 21868260), (15, 20410376), (20, 15307782), (21, 14578840), (24, 12756485), (28, 10934130), (30, 10205188), (35, 8747304), (40, 7653891), (42, 7289420), (56, 5467065), (60, 5102594), (70, 4373652), (84, 3644710), (105, 2915768), (120, 2551297), (140, 2186826), (168, 1822355), (210, 1457884), (280, 1093413), (420, 728942), (840, 364471)]