54687780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43403}}^1$

素因数の和:43425

約数の個数: 72

約数和(自身を含む): 189588672

約数和(自身を除く): 134900892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 43403, 86806, 130209, 173612, 217015, 260418, 303821, 390627, 434030, 520836, 607642, 651045, 781254, 868060, 911463, 1215284, 1302090, 1519105, 1562508, 1822926, 1953135, 2604180, 2734389, 3038210, 3645852, 3906270, 4557315, 5468778, 6076420, 7812540, 9114630, 10937556, 13671945, 18229260, 27343890, 54687780]

約数ペア:

[(1, 54687780), (2, 27343890), (3, 18229260), (4, 13671945), (5, 10937556), (6, 9114630), (7, 7812540), (9, 6076420), (10, 5468778), (12, 4557315), (14, 3906270), (15, 3645852), (18, 3038210), (20, 2734389), (21, 2604180), (28, 1953135), (30, 1822926), (35, 1562508), (36, 1519105), (42, 1302090), (45, 1215284), (60, 911463), (63, 868060), (70, 781254), (84, 651045), (90, 607642), (105, 520836), (126, 434030), (140, 390627), (180, 303821), (210, 260418), (252, 217015), (315, 173612), (420, 130209), (630, 86806), (1260, 43403)]