30312885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 54558720

約数和(自身を除く): 24245835

約数列:

[1, 3, 5, 15, 19, 31, 47, 57, 73, 93, 95, 141, 155, 219, 235, 285, 365, 465, 589, 705, 893, 1095, 1387, 1457, 1767, 2263, 2679, 2945, 3431, 4161, 4371, 4465, 6789, 6935, 7285, 8835, 10293, 11315, 13395, 17155, 20805, 21855, 27683, 33945, 42997, 51465, 65189, 83049, 106361, 128991, 138415, 195567, 214985, 319083, 325945, 415245, 531805, 644955, 977835, 1595415, 2020859, 6062577, 10104295, 30312885]

約数ペア:

[(1, 30312885), (3, 10104295), (5, 6062577), (15, 2020859), (19, 1595415), (31, 977835), (47, 644955), (57, 531805), (73, 415245), (93, 325945), (95, 319083), (141, 214985), (155, 195567), (219, 138415), (235, 128991), (285, 106361), (365, 83049), (465, 65189), (589, 51465), (705, 42997), (893, 33945), (1095, 27683), (1387, 21855), (1457, 20805), (1767, 17155), (2263, 13395), (2679, 11315), (2945, 10293), (3431, 8835), (4161, 7285), (4371, 6935), (4465, 6789)]