81867510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1979

約数の個数: 80

約数和(自身を含む): 224403696

約数和(自身を除く): 142536186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 530, 795, 810, 954, 1431, 1590, 1907, 2385, 2862, 3814, 4293, 4770, 5721, 7155, 8586, 9535, 11442, 14310, 17163, 19070, 21465, 28605, 34326, 42930, 51489, 57210, 85815, 101071, 102978, 154467, 171630, 202142, 257445, 303213, 308934, 505355, 514890, 606426, 772335, 909639, 1010710, 1516065, 1544670, 1819278, 2728917, 3032130, 4548195, 5457834, 8186751, 9096390, 13644585, 16373502, 27289170, 40933755, 81867510]

約数ペア:

[(1, 81867510), (2, 40933755), (3, 27289170), (5, 16373502), (6, 13644585), (9, 9096390), (10, 8186751), (15, 5457834), (18, 4548195), (27, 3032130), (30, 2728917), (45, 1819278), (53, 1544670), (54, 1516065), (81, 1010710), (90, 909639), (106, 772335), (135, 606426), (159, 514890), (162, 505355), (265, 308934), (270, 303213), (318, 257445), (405, 202142), (477, 171630), (530, 154467), (795, 102978), (810, 101071), (954, 85815), (1431, 57210), (1590, 51489), (1907, 42930), (2385, 34326), (2862, 28605), (3814, 21465), (4293, 19070), (4770, 17163), (5721, 14310), (7155, 11442), (8586, 9535)]