86877540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1489

約数の個数: 72

約数和(自身を含む): 264333888

約数和(自身を除く): 177456348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 983, 1473, 1964, 1966, 2455, 2946, 2949, 3932, 4419, 4910, 4915, 5892, 5898, 7365, 8838, 8847, 9820, 9830, 11796, 14730, 14745, 17676, 17694, 19660, 22095, 29460, 29490, 35388, 44190, 44235, 58980, 88380, 88470, 176940, 482653, 965306, 1447959, 1930612, 2413265, 2895918, 4343877, 4826530, 5791836, 7239795, 8687754, 9653060, 14479590, 17375508, 21719385, 28959180, 43438770, 86877540]

約数ペア:

[(1, 86877540), (2, 43438770), (3, 28959180), (4, 21719385), (5, 17375508), (6, 14479590), (9, 9653060), (10, 8687754), (12, 7239795), (15, 5791836), (18, 4826530), (20, 4343877), (30, 2895918), (36, 2413265), (45, 1930612), (60, 1447959), (90, 965306), (180, 482653), (491, 176940), (982, 88470), (983, 88380), (1473, 58980), (1964, 44235), (1966, 44190), (2455, 35388), (2946, 29490), (2949, 29460), (3932, 22095), (4419, 19660), (4910, 17694), (4915, 17676), (5892, 14745), (5898, 14730), (7365, 11796), (8838, 9830), (8847, 9820)]