28006920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77797}}^1$

素因数の和:77814

約数の個数: 48

約数和(自身を含む): 91023660

約数和(自身を除く): 63016740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77797, 155594, 233391, 311188, 388985, 466782, 622376, 700173, 777970, 933564, 1166955, 1400346, 1555940, 1867128, 2333910, 2800692, 3111880, 3500865, 4667820, 5601384, 7001730, 9335640, 14003460, 28006920]

約数ペア:

[(1, 28006920), (2, 14003460), (3, 9335640), (4, 7001730), (5, 5601384), (6, 4667820), (8, 3500865), (9, 3111880), (10, 2800692), (12, 2333910), (15, 1867128), (18, 1555940), (20, 1400346), (24, 1166955), (30, 933564), (36, 777970), (40, 700173), (45, 622376), (60, 466782), (72, 388985), (90, 311188), (120, 233391), (180, 155594), (360, 77797)]