87520020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1091}}^1$

素因数の和:1301

約数の個数: 96

約数和(自身を含む): 281788416

約数和(自身を除く): 194268396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1091, 1146, 1337, 1910, 2182, 2292, 2674, 2865, 3273, 3820, 4011, 4364, 5348, 5455, 5730, 6546, 6685, 7637, 8022, 10910, 11460, 13092, 13370, 15274, 16044, 16365, 20055, 21820, 22911, 26740, 30548, 32730, 38185, 40110, 45822, 65460, 76370, 80220, 91644, 114555, 152740, 208381, 229110, 416762, 458220, 625143, 833524, 1041905, 1250286, 1458667, 2083810, 2500572, 2917334, 3125715, 4167620, 4376001, 5834668, 6251430, 7293335, 8752002, 12502860, 14586670, 17504004, 21880005, 29173340, 43760010, 87520020]

約数ペア:

[(1, 87520020), (2, 43760010), (3, 29173340), (4, 21880005), (5, 17504004), (6, 14586670), (7, 12502860), (10, 8752002), (12, 7293335), (14, 6251430), (15, 5834668), (20, 4376001), (21, 4167620), (28, 3125715), (30, 2917334), (35, 2500572), (42, 2083810), (60, 1458667), (70, 1250286), (84, 1041905), (105, 833524), (140, 625143), (191, 458220), (210, 416762), (382, 229110), (420, 208381), (573, 152740), (764, 114555), (955, 91644), (1091, 80220), (1146, 76370), (1337, 65460), (1910, 45822), (2182, 40110), (2292, 38185), (2674, 32730), (2865, 30548), (3273, 26740), (3820, 22911), (4011, 21820), (4364, 20055), (5348, 16365), (5455, 16044), (5730, 15274), (6546, 13370), (6685, 13092), (7637, 11460), (8022, 10910)]