64868040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20021}}^1$

素因数の和:20044

約数の個数: 80

約数和(自身を含む): 218039580

約数和(自身を除く): 153171540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20021, 40042, 60063, 80084, 100105, 120126, 160168, 180189, 200210, 240252, 300315, 360378, 400420, 480504, 540567, 600630, 720756, 800840, 900945, 1081134, 1201260, 1441512, 1621701, 1801890, 2162268, 2402520, 2702835, 3243402, 3603780, 4324536, 5405670, 6486804, 7207560, 8108505, 10811340, 12973608, 16217010, 21622680, 32434020, 64868040]

約数ペア:

[(1, 64868040), (2, 32434020), (3, 21622680), (4, 16217010), (5, 12973608), (6, 10811340), (8, 8108505), (9, 7207560), (10, 6486804), (12, 5405670), (15, 4324536), (18, 3603780), (20, 3243402), (24, 2702835), (27, 2402520), (30, 2162268), (36, 1801890), (40, 1621701), (45, 1441512), (54, 1201260), (60, 1081134), (72, 900945), (81, 800840), (90, 720756), (108, 600630), (120, 540567), (135, 480504), (162, 400420), (180, 360378), (216, 300315), (270, 240252), (324, 200210), (360, 180189), (405, 160168), (540, 120126), (648, 100105), (810, 80084), (1080, 60063), (1620, 40042), (3240, 20021)]