15551280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21599}}^1$

素因数の和:21618

約数の個数: 60

約数和(自身を含む): 52228800

約数和(自身を除く): 36677520

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, 21599, 43198, 64797, 86396, 107995, 129594, 172792, 194391, 215990, 259188, 323985, 345584, 388782, 431980, 518376, 647970, 777564, 863960, 971955, 1036752, 1295940, 1555128, 1727920, 1943910, 2591880, 3110256, 3887820, 5183760, 7775640, 15551280]

約数ペア:

[(1, 15551280), (2, 7775640), (3, 5183760), (4, 3887820), (5, 3110256), (6, 2591880), (8, 1943910), (9, 1727920), (10, 1555128), (12, 1295940), (15, 1036752), (16, 971955), (18, 863960), (20, 777564), (24, 647970), (30, 518376), (36, 431980), (40, 388782), (45, 345584), (48, 323985), (60, 259188), (72, 215990), (80, 194391), (90, 172792), (120, 129594), (144, 107995), (180, 86396), (240, 64797), (360, 43198), (720, 21599)]