27806580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 84828744

約数和(自身を除く): 57022164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 641, 723, 964, 1205, 1282, 1446, 1923, 2169, 2410, 2564, 2892, 3205, 3615, 3846, 4338, 4820, 5769, 6410, 7230, 7692, 8676, 9615, 10845, 11538, 12820, 14460, 19230, 21690, 23076, 28845, 38460, 43380, 57690, 115380, 154481, 308962, 463443, 617924, 772405, 926886, 1390329, 1544810, 1853772, 2317215, 2780658, 3089620, 4634430, 5561316, 6951645, 9268860, 13903290, 27806580]

約数ペア:

[(1, 27806580), (2, 13903290), (3, 9268860), (4, 6951645), (5, 5561316), (6, 4634430), (9, 3089620), (10, 2780658), (12, 2317215), (15, 1853772), (18, 1544810), (20, 1390329), (30, 926886), (36, 772405), (45, 617924), (60, 463443), (90, 308962), (180, 154481), (241, 115380), (482, 57690), (641, 43380), (723, 38460), (964, 28845), (1205, 23076), (1282, 21690), (1446, 19230), (1923, 14460), (2169, 12820), (2410, 11538), (2564, 10845), (2892, 9615), (3205, 8676), (3615, 7692), (3846, 7230), (4338, 6410), (4820, 5769)]