61784240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1$

素因数の和:3610

約数の個数: 80

約数和(自身を含む): 169512960

約数和(自身を除く): 107728720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3559, 4340, 7118, 8680, 14236, 17360, 17795, 24913, 28472, 35590, 49826, 56944, 71180, 99652, 110329, 124565, 142360, 199304, 220658, 249130, 284720, 398608, 441316, 498260, 551645, 772303, 882632, 996520, 1103290, 1544606, 1765264, 1993040, 2206580, 3089212, 3861515, 4413160, 6178424, 7723030, 8826320, 12356848, 15446060, 30892120, 61784240]

約数ペア:

[(1, 61784240), (2, 30892120), (4, 15446060), (5, 12356848), (7, 8826320), (8, 7723030), (10, 6178424), (14, 4413160), (16, 3861515), (20, 3089212), (28, 2206580), (31, 1993040), (35, 1765264), (40, 1544606), (56, 1103290), (62, 996520), (70, 882632), (80, 772303), (112, 551645), (124, 498260), (140, 441316), (155, 398608), (217, 284720), (248, 249130), (280, 220658), (310, 199304), (434, 142360), (496, 124565), (560, 110329), (620, 99652), (868, 71180), (1085, 56944), (1240, 49826), (1736, 35590), (2170, 28472), (2480, 24913), (3472, 17795), (3559, 17360), (4340, 14236), (7118, 8680)]