16880280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 34130280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 863, 978, 1304, 1630, 1726, 1956, 2445, 2589, 3260, 3452, 3912, 4315, 4890, 5178, 6520, 6904, 8630, 9780, 10356, 12945, 17260, 19560, 20712, 25890, 34520, 51780, 103560, 140669, 281338, 422007, 562676, 703345, 844014, 1125352, 1406690, 1688028, 2110035, 2813380, 3376056, 4220070, 5626760, 8440140, 16880280]

約数ペア:

[(1, 16880280), (2, 8440140), (3, 5626760), (4, 4220070), (5, 3376056), (6, 2813380), (8, 2110035), (10, 1688028), (12, 1406690), (15, 1125352), (20, 844014), (24, 703345), (30, 562676), (40, 422007), (60, 281338), (120, 140669), (163, 103560), (326, 51780), (489, 34520), (652, 25890), (815, 20712), (863, 19560), (978, 17260), (1304, 12945), (1630, 10356), (1726, 9780), (1956, 8630), (2445, 6904), (2589, 6520), (3260, 5178), (3452, 4890), (3912, 4315)]