190989180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2161}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 580782384

約数和(自身を除く): 389793204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2161, 2455, 2946, 4322, 4419, 4910, 5892, 6483, 7365, 8644, 8838, 9820, 10805, 12966, 14730, 17676, 19449, 21610, 22095, 25932, 29460, 32415, 38898, 43220, 44190, 64830, 77796, 88380, 97245, 129660, 194490, 388980, 1061051, 2122102, 3183153, 4244204, 5305255, 6366306, 9549459, 10610510, 12732612, 15915765, 19098918, 21221020, 31831530, 38197836, 47747295, 63663060, 95494590, 190989180]

約数ペア:

[(1, 190989180), (2, 95494590), (3, 63663060), (4, 47747295), (5, 38197836), (6, 31831530), (9, 21221020), (10, 19098918), (12, 15915765), (15, 12732612), (18, 10610510), (20, 9549459), (30, 6366306), (36, 5305255), (45, 4244204), (60, 3183153), (90, 2122102), (180, 1061051), (491, 388980), (982, 194490), (1473, 129660), (1964, 97245), (2161, 88380), (2455, 77796), (2946, 64830), (4322, 44190), (4419, 43220), (4910, 38898), (5892, 32415), (6483, 29460), (7365, 25932), (8644, 22095), (8838, 21610), (9820, 19449), (10805, 17676), (12966, 14730)]