260599920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{155119}}^1$

素因数の和:155142

約数の個数: 80

約数和(自身を含む): 923274240

約数和(自身を除く): 662674320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 155119, 310238, 465357, 620476, 775595, 930714, 1085833, 1240952, 1551190, 1861428, 2171666, 2326785, 2481904, 3102380, 3257499, 3722856, 4343332, 4653570, 5429165, 6204760, 6514998, 7445712, 8686664, 9307140, 10858330, 12409520, 13029996, 16287495, 17373328, 18614280, 21716660, 26059992, 32574990, 37228560, 43433320, 52119984, 65149980, 86866640, 130299960, 260599920]

約数ペア:

[(1, 260599920), (2, 130299960), (3, 86866640), (4, 65149980), (5, 52119984), (6, 43433320), (7, 37228560), (8, 32574990), (10, 26059992), (12, 21716660), (14, 18614280), (15, 17373328), (16, 16287495), (20, 13029996), (21, 12409520), (24, 10858330), (28, 9307140), (30, 8686664), (35, 7445712), (40, 6514998), (42, 6204760), (48, 5429165), (56, 4653570), (60, 4343332), (70, 3722856), (80, 3257499), (84, 3102380), (105, 2481904), (112, 2326785), (120, 2171666), (140, 1861428), (168, 1551190), (210, 1240952), (240, 1085833), (280, 930714), (336, 775595), (420, 620476), (560, 465357), (840, 310238), (1680, 155119)]