30381505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 49102848

約数和(自身を除く): 18721343

約数列:

[1, 5, 7, 11, 23, 35, 47, 55, 73, 77, 115, 161, 235, 253, 329, 365, 385, 511, 517, 803, 805, 1081, 1265, 1645, 1679, 1771, 2555, 2585, 3431, 3619, 4015, 5405, 5621, 7567, 8395, 8855, 11753, 11891, 17155, 18095, 18469, 24017, 28105, 37741, 37835, 58765, 59455, 78913, 83237, 92345, 120085, 129283, 188705, 264187, 394565, 416185, 552391, 646415, 868043, 1320935, 2761955, 4340215, 6076301, 30381505]

約数ペア:

[(1, 30381505), (5, 6076301), (7, 4340215), (11, 2761955), (23, 1320935), (35, 868043), (47, 646415), (55, 552391), (73, 416185), (77, 394565), (115, 264187), (161, 188705), (235, 129283), (253, 120085), (329, 92345), (365, 83237), (385, 78913), (511, 59455), (517, 58765), (803, 37835), (805, 37741), (1081, 28105), (1265, 24017), (1645, 18469), (1679, 18095), (1771, 17155), (2555, 11891), (2585, 11753), (3431, 8855), (3619, 8395), (4015, 7567), (5405, 5621)]