163857680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1289}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 437650560

約数和(自身を除く): 273792880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1289, 1589, 1816, 2270, 2578, 3178, 3632, 4540, 5156, 6356, 6445, 7945, 9023, 9080, 10312, 12712, 12890, 15890, 18046, 18160, 20624, 25424, 25780, 31780, 36092, 45115, 51560, 63560, 72184, 90230, 103120, 127120, 144368, 180460, 292603, 360920, 585206, 721840, 1170412, 1463015, 2048221, 2340824, 2926030, 4096442, 4681648, 5852060, 8192884, 10241105, 11704120, 16385768, 20482210, 23408240, 32771536, 40964420, 81928840, 163857680]

約数ペア:

[(1, 163857680), (2, 81928840), (4, 40964420), (5, 32771536), (7, 23408240), (8, 20482210), (10, 16385768), (14, 11704120), (16, 10241105), (20, 8192884), (28, 5852060), (35, 4681648), (40, 4096442), (56, 2926030), (70, 2340824), (80, 2048221), (112, 1463015), (140, 1170412), (227, 721840), (280, 585206), (454, 360920), (560, 292603), (908, 180460), (1135, 144368), (1289, 127120), (1589, 103120), (1816, 90230), (2270, 72184), (2578, 63560), (3178, 51560), (3632, 45115), (4540, 36092), (5156, 31780), (6356, 25780), (6445, 25424), (7945, 20624), (9023, 18160), (9080, 18046), (10312, 15890), (12712, 12890)]