85315720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9829}}^1$

素因数の和:9878

約数の個数: 64

約数和(自身を含む): 226483200

約数和(自身を除く): 141167480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9829, 19658, 39316, 49145, 68803, 78632, 98290, 137606, 196580, 275212, 304699, 344015, 393160, 550424, 609398, 688030, 1218796, 1376060, 1523495, 2132893, 2437592, 2752120, 3046990, 4265786, 6093980, 8531572, 10664465, 12187960, 17063144, 21328930, 42657860, 85315720]

約数ペア:

[(1, 85315720), (2, 42657860), (4, 21328930), (5, 17063144), (7, 12187960), (8, 10664465), (10, 8531572), (14, 6093980), (20, 4265786), (28, 3046990), (31, 2752120), (35, 2437592), (40, 2132893), (56, 1523495), (62, 1376060), (70, 1218796), (124, 688030), (140, 609398), (155, 550424), (217, 393160), (248, 344015), (280, 304699), (310, 275212), (434, 196580), (620, 137606), (868, 98290), (1085, 78632), (1240, 68803), (1736, 49145), (2170, 39316), (4340, 19658), (8680, 9829)]