78337280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 108

約数和(自身を含む): 218452500

約数和(自身を除く): 140115220

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, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1249, 1280, 1568, 1792, 1960, 2240, 2498, 3136, 3920, 4480, 4996, 6245, 6272, 7840, 8743, 8960, 9992, 12490, 12544, 15680, 17486, 19984, 24980, 31360, 34972, 39968, 43715, 49960, 61201, 62720, 69944, 79936, 87430, 99920, 122402, 139888, 159872, 174860, 199840, 244804, 279776, 306005, 319744, 349720, 399680, 489608, 559552, 612010, 699440, 799360, 979216, 1119104, 1224020, 1398880, 1598720, 1958432, 2238208, 2448040, 2797760, 3916864, 4896080, 5595520, 7833728, 9792160, 11191040, 15667456, 19584320, 39168640, 78337280]

約数ペア:

[(1, 78337280), (2, 39168640), (4, 19584320), (5, 15667456), (7, 11191040), (8, 9792160), (10, 7833728), (14, 5595520), (16, 4896080), (20, 3916864), (28, 2797760), (32, 2448040), (35, 2238208), (40, 1958432), (49, 1598720), (56, 1398880), (64, 1224020), (70, 1119104), (80, 979216), (98, 799360), (112, 699440), (128, 612010), (140, 559552), (160, 489608), (196, 399680), (224, 349720), (245, 319744), (256, 306005), (280, 279776), (320, 244804), (392, 199840), (448, 174860), (490, 159872), (560, 139888), (640, 122402), (784, 99920), (896, 87430), (980, 79936), (1120, 69944), (1249, 62720), (1280, 61201), (1568, 49960), (1792, 43715), (1960, 39968), (2240, 34972), (2498, 31360), (3136, 24980), (3920, 19984), (4480, 17486), (4996, 15680), (6245, 12544), (6272, 12490), (7840, 9992), (8743, 8960)]