81022890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2017}}^1$

素因数の和:2143

約数の個数: 64

約数和(自身を含む): 211550976

約数和(自身を除く): 130528086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 195, 206, 309, 390, 515, 618, 1030, 1339, 1545, 2017, 2678, 3090, 4017, 4034, 6051, 6695, 8034, 10085, 12102, 13390, 20085, 20170, 26221, 30255, 40170, 52442, 60510, 78663, 131105, 157326, 207751, 262210, 393315, 415502, 623253, 786630, 1038755, 1246506, 2077510, 2700763, 3116265, 5401526, 6232530, 8102289, 13503815, 16204578, 27007630, 40511445, 81022890]

約数ペア:

[(1, 81022890), (2, 40511445), (3, 27007630), (5, 16204578), (6, 13503815), (10, 8102289), (13, 6232530), (15, 5401526), (26, 3116265), (30, 2700763), (39, 2077510), (65, 1246506), (78, 1038755), (103, 786630), (130, 623253), (195, 415502), (206, 393315), (309, 262210), (390, 207751), (515, 157326), (618, 131105), (1030, 78663), (1339, 60510), (1545, 52442), (2017, 40170), (2678, 30255), (3090, 26221), (4017, 20170), (4034, 20085), (6051, 13390), (6695, 12102), (8034, 10085)]