30471960

素因数分解:

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

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 91951200

約数和(自身を除く): 61479240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1289, 1576, 1970, 2364, 2578, 2955, 3867, 3940, 4728, 5156, 5910, 6445, 7734, 7880, 10312, 11820, 12890, 15468, 19335, 23640, 25780, 30936, 38670, 51560, 77340, 154680, 253933, 507866, 761799, 1015732, 1269665, 1523598, 2031464, 2539330, 3047196, 3808995, 5078660, 6094392, 7617990, 10157320, 15235980, 30471960]

約数ペア:

[(1, 30471960), (2, 15235980), (3, 10157320), (4, 7617990), (5, 6094392), (6, 5078660), (8, 3808995), (10, 3047196), (12, 2539330), (15, 2031464), (20, 1523598), (24, 1269665), (30, 1015732), (40, 761799), (60, 507866), (120, 253933), (197, 154680), (394, 77340), (591, 51560), (788, 38670), (985, 30936), (1182, 25780), (1289, 23640), (1576, 19335), (1970, 15468), (2364, 12890), (2578, 11820), (2955, 10312), (3867, 7880), (3940, 7734), (4728, 6445), (5156, 5910)]