55767780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 169775424

約数和(自身を除く): 114007644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 631, 982, 1262, 1473, 1893, 1964, 2455, 2524, 2946, 3155, 3786, 4419, 4910, 5679, 5892, 6310, 7365, 7572, 8838, 9465, 9820, 11358, 12620, 14730, 17676, 18930, 22095, 22716, 28395, 29460, 37860, 44190, 56790, 88380, 113580, 309821, 619642, 929463, 1239284, 1549105, 1858926, 2788389, 3098210, 3717852, 4647315, 5576778, 6196420, 9294630, 11153556, 13941945, 18589260, 27883890, 55767780]

約数ペア:

[(1, 55767780), (2, 27883890), (3, 18589260), (4, 13941945), (5, 11153556), (6, 9294630), (9, 6196420), (10, 5576778), (12, 4647315), (15, 3717852), (18, 3098210), (20, 2788389), (30, 1858926), (36, 1549105), (45, 1239284), (60, 929463), (90, 619642), (180, 309821), (491, 113580), (631, 88380), (982, 56790), (1262, 44190), (1473, 37860), (1893, 29460), (1964, 28395), (2455, 22716), (2524, 22095), (2946, 18930), (3155, 17676), (3786, 14730), (4419, 12620), (4910, 11358), (5679, 9820), (5892, 9465), (6310, 8838), (7365, 7572)]