138642560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{4421}}^1$

素因数の和:4454

約数の個数: 96

約数和(自身を含む): 385642620

約数和(自身を除く): 247000060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4421, 4480, 6272, 7840, 8842, 15680, 17684, 22105, 30947, 31360, 35368, 44210, 61894, 70736, 88420, 123788, 141472, 154735, 176840, 216629, 247576, 282944, 309470, 353680, 433258, 495152, 565888, 618940, 707360, 866516, 990304, 1083145, 1237880, 1414720, 1733032, 1980608, 2166290, 2475760, 2829440, 3466064, 3961216, 4332580, 4951520, 6932128, 8665160, 9903040, 13864256, 17330320, 19806080, 27728512, 34660640, 69321280, 138642560]

約数ペア:

[(1, 138642560), (2, 69321280), (4, 34660640), (5, 27728512), (7, 19806080), (8, 17330320), (10, 13864256), (14, 9903040), (16, 8665160), (20, 6932128), (28, 4951520), (32, 4332580), (35, 3961216), (40, 3466064), (49, 2829440), (56, 2475760), (64, 2166290), (70, 1980608), (80, 1733032), (98, 1414720), (112, 1237880), (128, 1083145), (140, 990304), (160, 866516), (196, 707360), (224, 618940), (245, 565888), (280, 495152), (320, 433258), (392, 353680), (448, 309470), (490, 282944), (560, 247576), (640, 216629), (784, 176840), (896, 154735), (980, 141472), (1120, 123788), (1568, 88420), (1960, 70736), (2240, 61894), (3136, 44210), (3920, 35368), (4421, 31360), (4480, 30947), (6272, 22105), (7840, 17684), (8842, 15680)]