81157560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61483}}^1$

素因数の和:61508

約数の個数: 64

約数和(自身を含む): 265610880

約数和(自身を除く): 184453320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61483, 122966, 184449, 245932, 307415, 368898, 491864, 614830, 676313, 737796, 922245, 1229660, 1352626, 1475592, 1844490, 2028939, 2459320, 2705252, 3381565, 3688980, 4057878, 5410504, 6763130, 7377960, 8115756, 10144695, 13526260, 16231512, 20289390, 27052520, 40578780, 81157560]

約数ペア:

[(1, 81157560), (2, 40578780), (3, 27052520), (4, 20289390), (5, 16231512), (6, 13526260), (8, 10144695), (10, 8115756), (11, 7377960), (12, 6763130), (15, 5410504), (20, 4057878), (22, 3688980), (24, 3381565), (30, 2705252), (33, 2459320), (40, 2028939), (44, 1844490), (55, 1475592), (60, 1352626), (66, 1229660), (88, 922245), (110, 737796), (120, 676313), (132, 614830), (165, 491864), (220, 368898), (264, 307415), (330, 245932), (440, 184449), (660, 122966), (1320, 61483)]