71853040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4190

約数の個数: 80

約数和(自身を含む): 197130240

約数和(自身を除く): 125277200

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, 4139, 4340, 8278, 8680, 16556, 17360, 20695, 28973, 33112, 41390, 57946, 66224, 82780, 115892, 128309, 144865, 165560, 231784, 256618, 289730, 331120, 463568, 513236, 579460, 641545, 898163, 1026472, 1158920, 1283090, 1796326, 2052944, 2317840, 2566180, 3592652, 4490815, 5132360, 7185304, 8981630, 10264720, 14370608, 17963260, 35926520, 71853040]

約数ペア:

[(1, 71853040), (2, 35926520), (4, 17963260), (5, 14370608), (7, 10264720), (8, 8981630), (10, 7185304), (14, 5132360), (16, 4490815), (20, 3592652), (28, 2566180), (31, 2317840), (35, 2052944), (40, 1796326), (56, 1283090), (62, 1158920), (70, 1026472), (80, 898163), (112, 641545), (124, 579460), (140, 513236), (155, 463568), (217, 331120), (248, 289730), (280, 256618), (310, 231784), (434, 165560), (496, 144865), (560, 128309), (620, 115892), (868, 82780), (1085, 66224), (1240, 57946), (1736, 41390), (2170, 33112), (2480, 28973), (3472, 20695), (4139, 17360), (4340, 16556), (8278, 8680)]