260304240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{154943}}^1$

素因数の和:154966

約数の個数: 80

約数和(自身を含む): 922226688

約数和(自身を除く): 661922448

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, 154943, 309886, 464829, 619772, 774715, 929658, 1084601, 1239544, 1549430, 1859316, 2169202, 2324145, 2479088, 3098860, 3253803, 3718632, 4338404, 4648290, 5423005, 6197720, 6507606, 7437264, 8676808, 9296580, 10846010, 12395440, 13015212, 16269015, 17353616, 18593160, 21692020, 26030424, 32538030, 37186320, 43384040, 52060848, 65076060, 86768080, 130152120, 260304240]

約数ペア:

[(1, 260304240), (2, 130152120), (3, 86768080), (4, 65076060), (5, 52060848), (6, 43384040), (7, 37186320), (8, 32538030), (10, 26030424), (12, 21692020), (14, 18593160), (15, 17353616), (16, 16269015), (20, 13015212), (21, 12395440), (24, 10846010), (28, 9296580), (30, 8676808), (35, 7437264), (40, 6507606), (42, 6197720), (48, 5423005), (56, 4648290), (60, 4338404), (70, 3718632), (80, 3253803), (84, 3098860), (105, 2479088), (112, 2324145), (120, 2169202), (140, 1859316), (168, 1549430), (210, 1239544), (240, 1084601), (280, 929658), (336, 774715), (420, 619772), (560, 464829), (840, 309886), (1680, 154943)]