15678216980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{20219}}^1$

素因数の和:20648

約数の個数: 48

約数和(自身を含む): 33283414080

約数和(自身を除く): 17605197100

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 283, 548, 566, 685, 1132, 1370, 1415, 2740, 2830, 5660, 20219, 38771, 40438, 77542, 80876, 101095, 155084, 193855, 202190, 387710, 404380, 775420, 2770003, 5540006, 5721977, 11080012, 11443954, 13850015, 22887908, 27700030, 28609885, 55400060, 57219770, 114439540, 783910849, 1567821698, 3135643396, 3919554245, 7839108490, 15678216980]

約数ペア:

[(1, 15678216980), (2, 7839108490), (4, 3919554245), (5, 3135643396), (10, 1567821698), (20, 783910849), (137, 114439540), (274, 57219770), (283, 55400060), (548, 28609885), (566, 27700030), (685, 22887908), (1132, 13850015), (1370, 11443954), (1415, 11080012), (2740, 5721977), (2830, 5540006), (5660, 2770003), (20219, 775420), (38771, 404380), (40438, 387710), (77542, 202190), (80876, 193855), (101095, 155084)]