15721280

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:763

約数の個数: 56

約数和(自身を含む): 38005512

約数和(自身を除く): 22284232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 673, 730, 1168, 1346, 1460, 2336, 2692, 2920, 3365, 4672, 5384, 5840, 6730, 10768, 11680, 13460, 21536, 23360, 26920, 43072, 49129, 53840, 98258, 107680, 196516, 215360, 245645, 393032, 491290, 786064, 982580, 1572128, 1965160, 3144256, 3930320, 7860640, 15721280]

約数ペア:

[(1, 15721280), (2, 7860640), (4, 3930320), (5, 3144256), (8, 1965160), (10, 1572128), (16, 982580), (20, 786064), (32, 491290), (40, 393032), (64, 245645), (73, 215360), (80, 196516), (146, 107680), (160, 98258), (292, 53840), (320, 49129), (365, 43072), (584, 26920), (673, 23360), (730, 21536), (1168, 13460), (1346, 11680), (1460, 10768), (2336, 6730), (2692, 5840), (2920, 5384), (3365, 4672)]