131011440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{77983}}^1$

素因数の和:78006

約数の個数: 80

約数和(自身を含む): 464160768

約数和(自身を除く): 333149328

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, 77983, 155966, 233949, 311932, 389915, 467898, 545881, 623864, 779830, 935796, 1091762, 1169745, 1247728, 1559660, 1637643, 1871592, 2183524, 2339490, 2729405, 3119320, 3275286, 3743184, 4367048, 4678980, 5458810, 6238640, 6550572, 8188215, 8734096, 9357960, 10917620, 13101144, 16376430, 18715920, 21835240, 26202288, 32752860, 43670480, 65505720, 131011440]

約数ペア:

[(1, 131011440), (2, 65505720), (3, 43670480), (4, 32752860), (5, 26202288), (6, 21835240), (7, 18715920), (8, 16376430), (10, 13101144), (12, 10917620), (14, 9357960), (15, 8734096), (16, 8188215), (20, 6550572), (21, 6238640), (24, 5458810), (28, 4678980), (30, 4367048), (35, 3743184), (40, 3275286), (42, 3119320), (48, 2729405), (56, 2339490), (60, 2183524), (70, 1871592), (80, 1637643), (84, 1559660), (105, 1247728), (112, 1169745), (120, 1091762), (140, 935796), (168, 779830), (210, 623864), (240, 545881), (280, 467898), (336, 389915), (420, 311932), (560, 233949), (840, 155966), (1680, 77983)]