69321280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{4421}}^1$

素因数の和:4452

約数の個数: 84

約数和(自身を含む): 192065148

約数和(自身を除く): 122743868

約数列:

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

約数ペア:

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