16991280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23599}}^1$

素因数の和:23618

約数の個数: 60

約数和(自身を含む): 57064800

約数和(自身を除く): 40073520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 23599, 47198, 70797, 94396, 117995, 141594, 188792, 212391, 235990, 283188, 353985, 377584, 424782, 471980, 566376, 707970, 849564, 943960, 1061955, 1132752, 1415940, 1699128, 1887920, 2123910, 2831880, 3398256, 4247820, 5663760, 8495640, 16991280]

約数ペア:

[(1, 16991280), (2, 8495640), (3, 5663760), (4, 4247820), (5, 3398256), (6, 2831880), (8, 2123910), (9, 1887920), (10, 1699128), (12, 1415940), (15, 1132752), (16, 1061955), (18, 943960), (20, 849564), (24, 707970), (30, 566376), (36, 471980), (40, 424782), (45, 377584), (48, 353985), (60, 283188), (72, 235990), (80, 212391), (90, 188792), (120, 141594), (144, 117995), (180, 94396), (240, 70797), (360, 47198), (720, 23599)]