128346045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 227328000

約数和(自身を除く): 98981955

約数列:

[1, 3, 5, 15, 19, 31, 57, 73, 93, 95, 155, 199, 219, 285, 365, 465, 589, 597, 995, 1095, 1387, 1767, 2263, 2945, 2985, 3781, 4161, 6169, 6789, 6935, 8835, 11315, 11343, 14527, 18507, 18905, 20805, 30845, 33945, 42997, 43581, 56715, 72635, 92535, 117211, 128991, 214985, 217905, 276013, 351633, 450337, 586055, 644955, 828039, 1351011, 1380065, 1758165, 2251685, 4140195, 6755055, 8556403, 25669209, 42782015, 128346045]

約数ペア:

[(1, 128346045), (3, 42782015), (5, 25669209), (15, 8556403), (19, 6755055), (31, 4140195), (57, 2251685), (73, 1758165), (93, 1380065), (95, 1351011), (155, 828039), (199, 644955), (219, 586055), (285, 450337), (365, 351633), (465, 276013), (589, 217905), (597, 214985), (995, 128991), (1095, 117211), (1387, 92535), (1767, 72635), (2263, 56715), (2945, 43581), (2985, 42997), (3781, 33945), (4161, 30845), (6169, 20805), (6789, 18905), (6935, 18507), (8835, 14527), (11315, 11343)]