131296480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16747}}^1$

素因数の和:16776

約数の個数: 72

約数和(自身を含む): 360852408

約数和(自身を除く): 229555928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 16747, 33494, 66988, 83735, 117229, 133976, 167470, 234458, 267952, 334940, 468916, 535904, 586145, 669880, 820603, 937832, 1172290, 1339760, 1641206, 1875664, 2344580, 2679520, 3282412, 3751328, 4103015, 4689160, 6564824, 8206030, 9378320, 13129648, 16412060, 18756640, 26259296, 32824120, 65648240, 131296480]

約数ペア:

[(1, 131296480), (2, 65648240), (4, 32824120), (5, 26259296), (7, 18756640), (8, 16412060), (10, 13129648), (14, 9378320), (16, 8206030), (20, 6564824), (28, 4689160), (32, 4103015), (35, 3751328), (40, 3282412), (49, 2679520), (56, 2344580), (70, 1875664), (80, 1641206), (98, 1339760), (112, 1172290), (140, 937832), (160, 820603), (196, 669880), (224, 586145), (245, 535904), (280, 468916), (392, 334940), (490, 267952), (560, 234458), (784, 167470), (980, 133976), (1120, 117229), (1568, 83735), (1960, 66988), (3920, 33494), (7840, 16747)]