240465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 32

約数和(自身を含む): 435456

約数和(自身を除く): 194991

約数列:

[1, 3, 5, 15, 17, 23, 41, 51, 69, 85, 115, 123, 205, 255, 345, 391, 615, 697, 943, 1173, 1955, 2091, 2829, 3485, 4715, 5865, 10455, 14145, 16031, 48093, 80155, 240465]

約数ペア:

[(1, 240465), (3, 80155), (5, 48093), (15, 16031), (17, 14145), (23, 10455), (41, 5865), (51, 4715), (69, 3485), (85, 2829), (115, 2091), (123, 1955), (205, 1173), (255, 943), (345, 697), (391, 615)]