15235980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 42910560

約数和(自身を除く): 27674580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1289, 1970, 2364, 2578, 2955, 3867, 3940, 5156, 5910, 6445, 7734, 11820, 12890, 15468, 19335, 25780, 38670, 77340, 253933, 507866, 761799, 1015732, 1269665, 1523598, 2539330, 3047196, 3808995, 5078660, 7617990, 15235980]

約数ペア:

[(1, 15235980), (2, 7617990), (3, 5078660), (4, 3808995), (5, 3047196), (6, 2539330), (10, 1523598), (12, 1269665), (15, 1015732), (20, 761799), (30, 507866), (60, 253933), (197, 77340), (394, 38670), (591, 25780), (788, 19335), (985, 15468), (1182, 12890), (1289, 11820), (1970, 7734), (2364, 6445), (2578, 5910), (2955, 5156), (3867, 3940)]