77142540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1951}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 216437760

約数和(自身を除く): 139295220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1951, 1977, 2636, 3295, 3902, 3954, 5853, 6590, 7804, 7908, 9755, 9885, 11706, 13180, 19510, 19770, 23412, 29265, 39020, 39540, 58530, 117060, 1285709, 2571418, 3857127, 5142836, 6428545, 7714254, 12857090, 15428508, 19285635, 25714180, 38571270, 77142540]

約数ペア:

[(1, 77142540), (2, 38571270), (3, 25714180), (4, 19285635), (5, 15428508), (6, 12857090), (10, 7714254), (12, 6428545), (15, 5142836), (20, 3857127), (30, 2571418), (60, 1285709), (659, 117060), (1318, 58530), (1951, 39540), (1977, 39020), (2636, 29265), (3295, 23412), (3902, 19770), (3954, 19510), (5853, 13180), (6590, 11706), (7804, 9885), (7908, 9755)]