129796720

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2999}}^1$

素因数の和:3553

約数の個数: 40

約数和(自身を含む): 302436000

約数和(自身を除く): 172639280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 2999, 4328, 5410, 5998, 8656, 10820, 11996, 14995, 21640, 23992, 29990, 43280, 47984, 59980, 119960, 239920, 1622459, 3244918, 6489836, 8112295, 12979672, 16224590, 25959344, 32449180, 64898360, 129796720]

約数ペア:

[(1, 129796720), (2, 64898360), (4, 32449180), (5, 25959344), (8, 16224590), (10, 12979672), (16, 8112295), (20, 6489836), (40, 3244918), (80, 1622459), (541, 239920), (1082, 119960), (2164, 59980), (2705, 47984), (2999, 43280), (4328, 29990), (5410, 23992), (5998, 21640), (8656, 14995), (10820, 11996)]