27662940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 84350448

約数和(自身を除く): 56687508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 491, 626, 939, 982, 1252, 1473, 1565, 1878, 1964, 2455, 2817, 2946, 3130, 3756, 4419, 4695, 4910, 5634, 5892, 6260, 7365, 8838, 9390, 9820, 11268, 14085, 14730, 17676, 18780, 22095, 28170, 29460, 44190, 56340, 88380, 153683, 307366, 461049, 614732, 768415, 922098, 1383147, 1536830, 1844196, 2305245, 2766294, 3073660, 4610490, 5532588, 6915735, 9220980, 13831470, 27662940]

約数ペア:

[(1, 27662940), (2, 13831470), (3, 9220980), (4, 6915735), (5, 5532588), (6, 4610490), (9, 3073660), (10, 2766294), (12, 2305245), (15, 1844196), (18, 1536830), (20, 1383147), (30, 922098), (36, 768415), (45, 614732), (60, 461049), (90, 307366), (180, 153683), (313, 88380), (491, 56340), (626, 44190), (939, 29460), (982, 28170), (1252, 22095), (1473, 18780), (1565, 17676), (1878, 14730), (1964, 14085), (2455, 11268), (2817, 9820), (2946, 9390), (3130, 8838), (3756, 7365), (4419, 6260), (4695, 5892), (4910, 5634)]