168787640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31727}}^1$

素因数の和:31764

約数の個数: 64

約数和(自身を含む): 456883200

約数和(自身を除く): 288095560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 31727, 63454, 126908, 158635, 222089, 253816, 317270, 444178, 602813, 634540, 888356, 1110445, 1205626, 1269080, 1776712, 2220890, 2411252, 3014065, 4219691, 4441780, 4822504, 6028130, 8439382, 8883560, 12056260, 16878764, 21098455, 24112520, 33757528, 42196910, 84393820, 168787640]

約数ペア:

[(1, 168787640), (2, 84393820), (4, 42196910), (5, 33757528), (7, 24112520), (8, 21098455), (10, 16878764), (14, 12056260), (19, 8883560), (20, 8439382), (28, 6028130), (35, 4822504), (38, 4441780), (40, 4219691), (56, 3014065), (70, 2411252), (76, 2220890), (95, 1776712), (133, 1269080), (140, 1205626), (152, 1110445), (190, 888356), (266, 634540), (280, 602813), (380, 444178), (532, 317270), (665, 253816), (760, 222089), (1064, 158635), (1330, 126908), (2660, 63454), (5320, 31727)]