30720105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3089}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 60737040

約数和(自身を除く): 30016935

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3089, 3315, 9267, 9945, 15445, 27801, 40157, 46335, 52513, 120471, 139005, 157539, 200785, 262565, 361413, 472617, 602355, 682669, 787695, 1807065, 2048007, 2363085, 3413345, 6144021, 10240035, 30720105]

約数ペア:

[(1, 30720105), (3, 10240035), (5, 6144021), (9, 3413345), (13, 2363085), (15, 2048007), (17, 1807065), (39, 787695), (45, 682669), (51, 602355), (65, 472617), (85, 361413), (117, 262565), (153, 200785), (195, 157539), (221, 139005), (255, 120471), (585, 52513), (663, 46335), (765, 40157), (1105, 27801), (1989, 15445), (3089, 9945), (3315, 9267)]