172343640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205171}}^1$

素因数の和:205192

約数の個数: 64

約数和(自身を含む): 590895360

約数和(自身を除く): 418551720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 205171, 410342, 615513, 820684, 1025855, 1231026, 1436197, 1641368, 2051710, 2462052, 2872394, 3077565, 4103420, 4308591, 4924104, 5744788, 6155130, 7180985, 8206840, 8617182, 11489576, 12310260, 14361970, 17234364, 21542955, 24620520, 28723940, 34468728, 43085910, 57447880, 86171820, 172343640]

約数ペア:

[(1, 172343640), (2, 86171820), (3, 57447880), (4, 43085910), (5, 34468728), (6, 28723940), (7, 24620520), (8, 21542955), (10, 17234364), (12, 14361970), (14, 12310260), (15, 11489576), (20, 8617182), (21, 8206840), (24, 7180985), (28, 6155130), (30, 5744788), (35, 4924104), (40, 4308591), (42, 4103420), (56, 3077565), (60, 2872394), (70, 2462052), (84, 2051710), (105, 1641368), (120, 1436197), (140, 1231026), (168, 1025855), (210, 820684), (280, 615513), (420, 410342), (840, 205171)]